diff --git a/linux-x64/clang/include/llvm/Object/Archive.h b/linux-x64/clang/include/llvm/Object/Archive.h
index 9ef1e48..c40278a 100644
--- a/linux-x64/clang/include/llvm/Object/Archive.h
+++ b/linux-x64/clang/include/llvm/Object/Archive.h
@@ -1,9 +1,8 @@
 //===- Archive.h - ar archive file format -----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -16,6 +15,7 @@
 
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/fallible_iterator.h"
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/Object/Binary.h"
 #include "llvm/Support/Chrono.h"
@@ -143,44 +143,38 @@
     getAsBinary(LLVMContext *Context = nullptr) const;
   };
 
-  class child_iterator {
+  class ChildFallibleIterator {
     Child C;
-    Error *E = nullptr;
 
   public:
-    child_iterator() : C(Child(nullptr, nullptr, nullptr)) {}
-    child_iterator(const Child &C, Error *E) : C(C), E(E) {}
+    ChildFallibleIterator() : C(Child(nullptr, nullptr, nullptr)) {}
+    ChildFallibleIterator(const Child &C) : C(C) {}
 
     const Child *operator->() const { return &C; }
     const Child &operator*() const { return C; }
 
-    bool operator==(const child_iterator &other) const {
+    bool operator==(const ChildFallibleIterator &other) const {
       // Ignore errors here: If an error occurred during increment then getNext
       // will have been set to child_end(), and the following comparison should
       // do the right thing.
       return C == other.C;
     }
 
-    bool operator!=(const child_iterator &other) const {
+    bool operator!=(const ChildFallibleIterator &other) const {
       return !(*this == other);
     }
 
-    // Code in loops with child_iterators must check for errors on each loop
-    // iteration.  And if there is an error break out of the loop.
-    child_iterator &operator++() { // Preincrement
-      assert(E && "Can't increment iterator with no Error attached");
-      ErrorAsOutParameter ErrAsOutParam(E);
-      if (auto ChildOrErr = C.getNext())
-        C = *ChildOrErr;
-      else {
-        C = C.getParent()->child_end().C;
-        *E = ChildOrErr.takeError();
-        E = nullptr;
-      }
-      return *this;
+    Error inc() {
+      auto NextChild = C.getNext();
+      if (!NextChild)
+        return NextChild.takeError();
+      C = std::move(*NextChild);
+      return Error::success();
     }
   };
 
+  using child_iterator = fallible_iterator<ChildFallibleIterator>;
+
   class Symbol {
     const Archive *Parent;
     uint32_t SymbolIndex;
diff --git a/linux-x64/clang/include/llvm/Object/ArchiveWriter.h b/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
index 495b943..4e796eb 100644
--- a/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
+++ b/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
@@ -1,9 +1,8 @@
 //===- ArchiveWriter.h - ar archive file format writer ----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/Binary.h b/linux-x64/clang/include/llvm/Object/Binary.h
index 99745e2..8ce2d5a 100644
--- a/linux-x64/clang/include/llvm/Object/Binary.h
+++ b/linux-x64/clang/include/llvm/Object/Binary.h
@@ -1,9 +1,8 @@
 //===- Binary.h - A generic binary file -------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/COFF.h b/linux-x64/clang/include/llvm/Object/COFF.h
index e39a9b2..c22a482 100644
--- a/linux-x64/clang/include/llvm/Object/COFF.h
+++ b/linux-x64/clang/include/llvm/Object/COFF.h
@@ -1,9 +1,8 @@
 //===- COFF.h - COFF object file implementation -----------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -971,6 +970,9 @@
       return nullptr;
     return reinterpret_cast<const dos_header *>(base());
   }
+  std::error_code getCOFFHeader(const coff_file_header *&Res) const;
+  std::error_code
+  getCOFFBigObjHeader(const coff_bigobj_file_header *&Res) const;
   std::error_code getPE32Header(const pe32_header *&Res) const;
   std::error_code getPE32PlusHeader(const pe32plus_header *&Res) const;
   std::error_code getDataDirectory(uint32_t index,
@@ -1019,6 +1021,8 @@
 
   ArrayRef<uint8_t> getSymbolAuxData(COFFSymbolRef Symbol) const;
 
+  uint32_t getSymbolIndex(COFFSymbolRef Symbol) const;
+
   size_t getSymbolTableEntrySize() const {
     if (COFFHeader)
       return sizeof(coff_symbol16);
@@ -1062,6 +1066,8 @@
   bool isRelocatableObject() const override;
   bool is64() const { return PE32PlusHeader; }
 
+  StringRef mapDebugSectionName(StringRef Name) const override;
+
   static bool classof(const Binary *v) { return v->isCOFF(); }
 };
 
diff --git a/linux-x64/clang/include/llvm/Object/COFFImportFile.h b/linux-x64/clang/include/llvm/Object/COFFImportFile.h
index 0a4556a..d051d7f 100644
--- a/linux-x64/clang/include/llvm/Object/COFFImportFile.h
+++ b/linux-x64/clang/include/llvm/Object/COFFImportFile.h
@@ -1,9 +1,8 @@
 //===- COFFImportFile.h - COFF short import file implementation -*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/COFFModuleDefinition.h b/linux-x64/clang/include/llvm/Object/COFFModuleDefinition.h
index be139a2..ab52259 100644
--- a/linux-x64/clang/include/llvm/Object/COFFModuleDefinition.h
+++ b/linux-x64/clang/include/llvm/Object/COFFModuleDefinition.h
@@ -1,9 +1,8 @@
 //===--- COFFModuleDefinition.h ---------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/CVDebugRecord.h b/linux-x64/clang/include/llvm/Object/CVDebugRecord.h
index faad72c..d41c739 100644
--- a/linux-x64/clang/include/llvm/Object/CVDebugRecord.h
+++ b/linux-x64/clang/include/llvm/Object/CVDebugRecord.h
@@ -1,9 +1,8 @@
 //===- CVDebugRecord.h ------------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/linux-x64/clang/include/llvm/Object/Decompressor.h b/linux-x64/clang/include/llvm/Object/Decompressor.h
index 2a77d2f..cc91848 100644
--- a/linux-x64/clang/include/llvm/Object/Decompressor.h
+++ b/linux-x64/clang/include/llvm/Object/Decompressor.h
@@ -1,9 +1,8 @@
 //===-- Decompressor.h ------------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===/
 
diff --git a/linux-x64/clang/include/llvm/Object/ELF.h b/linux-x64/clang/include/llvm/Object/ELF.h
index 752d468..1ba32b4 100644
--- a/linux-x64/clang/include/llvm/Object/ELF.h
+++ b/linux-x64/clang/include/llvm/Object/ELF.h
@@ -1,9 +1,8 @@
 //===- ELF.h - ELF object file implementation -------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -32,7 +31,7 @@
 namespace object {
 
 StringRef getELFRelocationTypeName(uint32_t Machine, uint32_t Type);
-uint32_t getELFRelrRelocationType(uint32_t Machine);
+uint32_t getELFRelativeRelocationType(uint32_t Machine);
 StringRef getELFSectionTypeName(uint32_t Machine, uint32_t Type);
 
 // Subclasses of ELFFile may need this for template instantiation
@@ -113,7 +112,7 @@
   StringRef getRelocationTypeName(uint32_t Type) const;
   void getRelocationTypeName(uint32_t Type,
                              SmallVectorImpl<char> &Result) const;
-  uint32_t getRelrRelocationType() const;
+  uint32_t getRelativeRelocationType() const;
 
   const char *getDynamicTagAsString(unsigned Arch, uint64_t Type) const;
   const char *getDynamicTagAsString(uint64_t Type) const;
@@ -415,8 +414,8 @@
 }
 
 template <class ELFT>
-uint32_t ELFFile<ELFT>::getRelrRelocationType() const {
-  return getELFRelrRelocationType(getHeader()->e_machine);
+uint32_t ELFFile<ELFT>::getRelativeRelocationType() const {
+  return getELFRelativeRelocationType(getHeader()->e_machine);
 }
 
 template <class ELFT>
diff --git a/linux-x64/clang/include/llvm/Object/ELFObjectFile.h b/linux-x64/clang/include/llvm/Object/ELFObjectFile.h
index 54907cb..aab7340 100644
--- a/linux-x64/clang/include/llvm/Object/ELFObjectFile.h
+++ b/linux-x64/clang/include/llvm/Object/ELFObjectFile.h
@@ -1,9 +1,8 @@
 //===- ELFObjectFile.h - ELF object file implementation ---------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -260,6 +259,8 @@
   bool isSectionData(DataRefImpl Sec) const override;
   bool isSectionBSS(DataRefImpl Sec) const override;
   bool isSectionVirtual(DataRefImpl Sec) const override;
+  bool isBerkeleyText(DataRefImpl Sec) const override;
+  bool isBerkeleyData(DataRefImpl Sec) const override;
   relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
   relocation_iterator section_rel_end(DataRefImpl Sec) const override;
   std::vector<SectionRef> dynamic_relocation_sections() const override;
@@ -333,9 +334,10 @@
     // A symbol is exported if its binding is either GLOBAL or WEAK, and its
     // visibility is either DEFAULT or PROTECTED. All other symbols are not
     // exported.
-    return ((Binding == ELF::STB_GLOBAL || Binding == ELF::STB_WEAK) &&
-            (Visibility == ELF::STV_DEFAULT ||
-             Visibility == ELF::STV_PROTECTED));
+    return (
+        (Binding == ELF::STB_GLOBAL || Binding == ELF::STB_WEAK ||
+         Binding == ELF::STB_GNU_UNIQUE) &&
+        (Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_PROTECTED));
   }
 
   // This flag is used for classof, to distinguish ELFObjectFile from
@@ -438,7 +440,16 @@
   auto SymStrTabOrErr = EF.getStringTable(StringTableSec);
   if (!SymStrTabOrErr)
     return SymStrTabOrErr.takeError();
-  return ESym->getName(*SymStrTabOrErr);
+  Expected<StringRef> Name = ESym->getName(*SymStrTabOrErr);
+
+  // If the symbol name is empty use the section name.
+  if ((!Name || Name->empty()) && ESym->getType() == ELF::STT_SECTION) {
+    StringRef SecName;
+    Expected<section_iterator> Sec = getSymbolSection(Sym);
+    if (Sec && !(*Sec)->getName(SecName))
+      return SecName;
+  }
+  return Name;
 }
 
 template <class ELFT>
@@ -759,6 +770,20 @@
 }
 
 template <class ELFT>
+bool ELFObjectFile<ELFT>::isBerkeleyText(DataRefImpl Sec) const {
+  return getSection(Sec)->sh_flags & ELF::SHF_ALLOC &&
+         (getSection(Sec)->sh_flags & ELF::SHF_EXECINSTR ||
+          !(getSection(Sec)->sh_flags & ELF::SHF_WRITE));
+}
+
+template <class ELFT>
+bool ELFObjectFile<ELFT>::isBerkeleyData(DataRefImpl Sec) const {
+  const Elf_Shdr *EShdr = getSection(Sec);
+  return !isBerkeleyText(Sec) && EShdr->sh_type != ELF::SHT_NOBITS &&
+         EShdr->sh_flags & ELF::SHF_ALLOC;
+}
+
+template <class ELFT>
 relocation_iterator
 ELFObjectFile<ELFT>::section_rel_begin(DataRefImpl Sec) const {
   DataRefImpl RelData;
@@ -1021,6 +1046,8 @@
       return "ELF32-lanai";
     case ELF::EM_MIPS:
       return "ELF32-mips";
+    case ELF::EM_MSP430:
+      return "ELF32-msp430";
     case ELF::EM_PPC:
       return "ELF32-ppc";
     case ELF::EM_RISCV:
@@ -1091,6 +1118,8 @@
     default:
       report_fatal_error("Invalid ELFCLASS!");
     }
+  case ELF::EM_MSP430:
+    return Triple::msp430;
   case ELF::EM_PPC:
     return Triple::ppc;
   case ELF::EM_PPC64:
diff --git a/linux-x64/clang/include/llvm/Object/ELFTypes.h b/linux-x64/clang/include/llvm/Object/ELFTypes.h
index fb38612..45bbd6c 100644
--- a/linux-x64/clang/include/llvm/Object/ELFTypes.h
+++ b/linux-x64/clang/include/llvm/Object/ELFTypes.h
@@ -1,9 +1,8 @@
 //===- ELFTypes.h - Endian specific types for ELF ---------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -605,13 +604,12 @@
   }
 
   /// Get the note's descriptor.
-  ArrayRef<Elf_Word> getDesc() const {
+  ArrayRef<uint8_t> getDesc() const {
     if (!Nhdr.n_descsz)
-      return ArrayRef<Elf_Word>();
-    return ArrayRef<Elf_Word>(
-        reinterpret_cast<const Elf_Word *>(
-            reinterpret_cast<const uint8_t *>(&Nhdr) + sizeof(Nhdr) +
-            alignTo<Elf_Nhdr_Impl<ELFT>::Align>(Nhdr.n_namesz)),
+      return ArrayRef<uint8_t>();
+    return ArrayRef<uint8_t>(
+        reinterpret_cast<const uint8_t *>(&Nhdr) + sizeof(Nhdr) +
+          alignTo<Elf_Nhdr_Impl<ELFT>::Align>(Nhdr.n_namesz),
         Nhdr.n_descsz);
   }
 
@@ -643,14 +641,19 @@
   // container, either cleanly or with an overflow error.
   void advanceNhdr(const uint8_t *NhdrPos, size_t NoteSize) {
     RemainingSize -= NoteSize;
-    if (RemainingSize == 0u)
+    if (RemainingSize == 0u) {
+      // Ensure that if the iterator walks to the end, the error is checked
+      // afterwards.
+      *Err = Error::success();
       Nhdr = nullptr;
-    else if (sizeof(*Nhdr) > RemainingSize)
+    } else if (sizeof(*Nhdr) > RemainingSize)
       stopWithOverflowError();
     else {
       Nhdr = reinterpret_cast<const Elf_Nhdr_Impl<ELFT> *>(NhdrPos + NoteSize);
       if (Nhdr->getSize() > RemainingSize)
         stopWithOverflowError();
+      else
+        *Err = Error::success();
     }
   }
 
@@ -658,6 +661,7 @@
   explicit Elf_Note_Iterator_Impl(Error &Err) : Err(&Err) {}
   Elf_Note_Iterator_Impl(const uint8_t *Start, size_t Size, Error &Err)
       : RemainingSize(Size), Err(&Err) {
+    consumeError(std::move(Err));
     assert(Start && "ELF note iterator starting at NULL");
     advanceNhdr(Start, 0u);
   }
@@ -671,6 +675,10 @@
     return *this;
   }
   bool operator==(Elf_Note_Iterator_Impl Other) const {
+    if (!Nhdr && Other.Err)
+      (void)(bool)(*Other.Err);
+    if (!Other.Nhdr && Err)
+      (void)(bool)(*Err);
     return Nhdr == Other.Nhdr;
   }
   bool operator!=(Elf_Note_Iterator_Impl Other) const {
diff --git a/linux-x64/clang/include/llvm/Object/Error.h b/linux-x64/clang/include/llvm/Object/Error.h
index eb93833..b7bbf06 100644
--- a/linux-x64/clang/include/llvm/Object/Error.h
+++ b/linux-x64/clang/include/llvm/Object/Error.h
@@ -1,9 +1,8 @@
 //===- Error.h - system_error extensions for Object -------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -50,6 +49,7 @@
 /// Currently inherits from ECError for easy interoperability with
 /// std::error_code, but this will be removed in the future.
 class BinaryError : public ErrorInfo<BinaryError, ECError> {
+  virtual void anchor();
 public:
   static char ID;
   BinaryError() {
diff --git a/linux-x64/clang/include/llvm/Object/IRObjectFile.h b/linux-x64/clang/include/llvm/Object/IRObjectFile.h
index 993359b..39454b0 100644
--- a/linux-x64/clang/include/llvm/Object/IRObjectFile.h
+++ b/linux-x64/clang/include/llvm/Object/IRObjectFile.h
@@ -1,9 +1,8 @@
 //===- IRObjectFile.h - LLVM IR object file implementation ------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/IRSymtab.h b/linux-x64/clang/include/llvm/Object/IRSymtab.h
index 5f6a024..0601d99 100644
--- a/linux-x64/clang/include/llvm/Object/IRSymtab.h
+++ b/linux-x64/clang/include/llvm/Object/IRSymtab.h
@@ -1,9 +1,8 @@
 //===- IRSymtab.h - data definitions for IR symbol tables -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/MachO.h b/linux-x64/clang/include/llvm/Object/MachO.h
index 159c176..79ec8bb 100644
--- a/linux-x64/clang/include/llvm/Object/MachO.h
+++ b/linux-x64/clang/include/llvm/Object/MachO.h
@@ -1,9 +1,8 @@
 //===- MachO.h - MachO object file implementation ---------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -356,7 +355,7 @@
   basic_symbol_iterator symbol_end() const override;
 
   // MachO specific.
-  basic_symbol_iterator getSymbolByIndex(unsigned Index) const;
+  symbol_iterator getSymbolByIndex(unsigned Index) const;
   uint64_t getSymbolIndex(DataRefImpl Symb) const;
 
   section_iterator section_begin() const override;
@@ -616,6 +615,9 @@
     case MachO::PLATFORM_TVOS: return "tvos";
     case MachO::PLATFORM_WATCHOS: return "watchos";
     case MachO::PLATFORM_BRIDGEOS: return "bridgeos";
+    case MachO::PLATFORM_IOSSIMULATOR: return "iossimulator";
+    case MachO::PLATFORM_TVOSSIMULATOR: return "tvossimulator";
+    case MachO::PLATFORM_WATCHOSSIMULATOR: return "watchossimulator";
     default:
       std::string ret;
       raw_string_ostream ss(ret);
diff --git a/linux-x64/clang/include/llvm/Object/MachOUniversal.h b/linux-x64/clang/include/llvm/Object/MachOUniversal.h
index 9e70b0b..5bf724f 100644
--- a/linux-x64/clang/include/llvm/Object/MachOUniversal.h
+++ b/linux-x64/clang/include/llvm/Object/MachOUniversal.h
@@ -1,9 +1,8 @@
 //===- MachOUniversal.h - Mach-O universal binaries -------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h b/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h
index c3cbc27..4c582fb 100644
--- a/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h
+++ b/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h
@@ -1,9 +1,8 @@
 //===- ModuleSymbolTable.h - symbol table for in-memory IR ------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/ObjectFile.h b/linux-x64/clang/include/llvm/Object/ObjectFile.h
index 02d62e8..f13775c 100644
--- a/linux-x64/clang/include/llvm/Object/ObjectFile.h
+++ b/linux-x64/clang/include/llvm/Object/ObjectFile.h
@@ -1,9 +1,8 @@
 //===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -104,13 +103,25 @@
   uint64_t getAlignment() const;
 
   bool isCompressed() const;
+  /// Whether this section contains instructions.
   bool isText() const;
+  /// Whether this section contains data, not instructions.
   bool isData() const;
+  /// Whether this section contains BSS uninitialized data.
   bool isBSS() const;
   bool isVirtual() const;
   bool isBitcode() const;
   bool isStripped() const;
 
+  /// Whether this section will be placed in the text segment, according to the
+  /// Berkeley size format. This is true if the section is allocatable, and
+  /// contains either code or readonly data.
+  bool isBerkeleyText() const;
+  /// Whether this section will be placed in the data segment, according to the
+  /// Berkeley size format. This is true if the section is allocatable and
+  /// contains data (e.g. PROGBITS), but is not text.
+  bool isBerkeleyData() const;
+
   bool containsSymbol(SymbolRef S) const;
 
   relocation_iterator relocation_begin() const;
@@ -238,6 +249,8 @@
   virtual bool isSectionVirtual(DataRefImpl Sec) const = 0;
   virtual bool isSectionBitcode(DataRefImpl Sec) const;
   virtual bool isSectionStripped(DataRefImpl Sec) const;
+  virtual bool isBerkeleyText(DataRefImpl Sec) const;
+  virtual bool isBerkeleyData(DataRefImpl Sec) const;
   virtual relocation_iterator section_rel_begin(DataRefImpl Sec) const = 0;
   virtual relocation_iterator section_rel_end(DataRefImpl Sec) const = 0;
   virtual section_iterator getRelocatedSection(DataRefImpl Sec) const;
@@ -449,6 +462,14 @@
   return OwningObject->isSectionStripped(SectionPimpl);
 }
 
+inline bool SectionRef::isBerkeleyText() const {
+  return OwningObject->isBerkeleyText(SectionPimpl);
+}
+
+inline bool SectionRef::isBerkeleyData() const {
+  return OwningObject->isBerkeleyData(SectionPimpl);
+}
+
 inline relocation_iterator SectionRef::relocation_begin() const {
   return OwningObject->section_rel_begin(SectionPimpl);
 }
diff --git a/linux-x64/clang/include/llvm/Object/RelocVisitor.h b/linux-x64/clang/include/llvm/Object/RelocVisitor.h
index 008e109..76f3fab 100644
--- a/linux-x64/clang/include/llvm/Object/RelocVisitor.h
+++ b/linux-x64/clang/include/llvm/Object/RelocVisitor.h
@@ -1,9 +1,8 @@
 //===- RelocVisitor.h - Visitor for object file relocations -----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -101,6 +100,8 @@
     case Triple::arm:
     case Triple::armeb:
       return visitARM(Rel, R, Value);
+    case Triple::avr:
+      return visitAVR(Rel, R, Value);
     case Triple::lanai:
       return visitLanai(Rel, R, Value);
     case Triple::mipsel:
@@ -129,6 +130,8 @@
     case ELF::R_X86_64_NONE:
       return 0;
     case ELF::R_X86_64_64:
+    case ELF::R_X86_64_DTPOFF32:
+    case ELF::R_X86_64_DTPOFF64:
       return Value + getELFAddend(R);
     case ELF::R_X86_64_PC32:
       return Value + getELFAddend(R) - R.getOffset();
@@ -257,6 +260,16 @@
     return 0;
   }
 
+  uint64_t visitAVR(uint32_t Rel, RelocationRef R, uint64_t Value) {
+    if (Rel == ELF::R_AVR_16) {
+      return (Value + getELFAddend(R)) & 0xFFFF;
+    } else if (Rel == ELF::R_AVR_32) {
+      return (Value + getELFAddend(R)) & 0xFFFFFFFF;
+    }
+    HasError = true;
+    return 0;
+  }
+
   uint64_t visitLanai(uint32_t Rel, RelocationRef R, uint64_t Value) {
     if (Rel == ELF::R_LANAI_32)
       return (Value + getELFAddend(R)) & 0xFFFFFFFF;
@@ -323,16 +336,17 @@
   uint64_t visitWasm(uint32_t Rel, RelocationRef R, uint64_t Value) {
     if (ObjToVisit.getArch() == Triple::wasm32) {
       switch (Rel) {
-      case wasm::R_WEBASSEMBLY_FUNCTION_INDEX_LEB:
-      case wasm::R_WEBASSEMBLY_TABLE_INDEX_SLEB:
-      case wasm::R_WEBASSEMBLY_TABLE_INDEX_I32:
-      case wasm::R_WEBASSEMBLY_MEMORY_ADDR_LEB:
-      case wasm::R_WEBASSEMBLY_MEMORY_ADDR_SLEB:
-      case wasm::R_WEBASSEMBLY_MEMORY_ADDR_I32:
-      case wasm::R_WEBASSEMBLY_TYPE_INDEX_LEB:
-      case wasm::R_WEBASSEMBLY_GLOBAL_INDEX_LEB:
-      case wasm::R_WEBASSEMBLY_FUNCTION_OFFSET_I32:
-      case wasm::R_WEBASSEMBLY_SECTION_OFFSET_I32:
+      case wasm::R_WASM_FUNCTION_INDEX_LEB:
+      case wasm::R_WASM_TABLE_INDEX_SLEB:
+      case wasm::R_WASM_TABLE_INDEX_I32:
+      case wasm::R_WASM_MEMORY_ADDR_LEB:
+      case wasm::R_WASM_MEMORY_ADDR_SLEB:
+      case wasm::R_WASM_MEMORY_ADDR_I32:
+      case wasm::R_WASM_TYPE_INDEX_LEB:
+      case wasm::R_WASM_GLOBAL_INDEX_LEB:
+      case wasm::R_WASM_FUNCTION_OFFSET_I32:
+      case wasm::R_WASM_SECTION_OFFSET_I32:
+      case wasm::R_WASM_EVENT_INDEX_LEB:
         // For wasm section, its offset at 0 -- ignoring Value
         return 0;
       }
diff --git a/linux-x64/clang/include/llvm/Object/StackMapParser.h b/linux-x64/clang/include/llvm/Object/StackMapParser.h
index 557db5a..8817516 100644
--- a/linux-x64/clang/include/llvm/Object/StackMapParser.h
+++ b/linux-x64/clang/include/llvm/Object/StackMapParser.h
@@ -1,9 +1,8 @@
 //===- StackMapParser.h - StackMap Parsing Support --------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/linux-x64/clang/include/llvm/Object/SymbolSize.h b/linux-x64/clang/include/llvm/Object/SymbolSize.h
index 1a1dc87..085623e 100644
--- a/linux-x64/clang/include/llvm/Object/SymbolSize.h
+++ b/linux-x64/clang/include/llvm/Object/SymbolSize.h
@@ -1,9 +1,8 @@
 //===- SymbolSize.h ---------------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //
 //===----------------------------------------------------------------------===//
diff --git a/linux-x64/clang/include/llvm/Object/SymbolicFile.h b/linux-x64/clang/include/llvm/Object/SymbolicFile.h
index 5b9549b..6d95d7a 100644
--- a/linux-x64/clang/include/llvm/Object/SymbolicFile.h
+++ b/linux-x64/clang/include/llvm/Object/SymbolicFile.h
@@ -1,9 +1,8 @@
 //===- SymbolicFile.h - Interface that only provides symbols ----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/Wasm.h b/linux-x64/clang/include/llvm/Object/Wasm.h
index 25903fc..a0a2c4b 100644
--- a/linux-x64/clang/include/llvm/Object/Wasm.h
+++ b/linux-x64/clang/include/llvm/Object/Wasm.h
@@ -1,9 +1,8 @@
-//===- WasmObjectFile.h - Wasm object file implementation -------*- C++ -*-===//
+//===- Wasm.h - Wasm object file implementation -----------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -37,13 +36,16 @@
 class WasmSymbol {
 public:
   WasmSymbol(const wasm::WasmSymbolInfo &Info,
-             const wasm::WasmSignature *FunctionType,
-             const wasm::WasmGlobalType *GlobalType)
-      : Info(Info), FunctionType(FunctionType), GlobalType(GlobalType) {}
+             const wasm::WasmGlobalType *GlobalType,
+             const wasm::WasmEventType *EventType,
+             const wasm::WasmSignature *Signature)
+      : Info(Info), GlobalType(GlobalType), EventType(EventType),
+        Signature(Signature) {}
 
   const wasm::WasmSymbolInfo &Info;
-  const wasm::WasmSignature *FunctionType;
   const wasm::WasmGlobalType *GlobalType;
+  const wasm::WasmEventType *EventType;
+  const wasm::WasmSignature *Signature;
 
   bool isTypeFunction() const {
     return Info.Kind == wasm::WASM_SYMBOL_TYPE_FUNCTION;
@@ -59,6 +61,8 @@
     return Info.Kind == wasm::WASM_SYMBOL_TYPE_SECTION;
   }
 
+  bool isTypeEvent() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_EVENT; }
+
   bool isDefined() const { return !isUndefined(); }
 
   bool isUndefined() const {
@@ -124,12 +128,15 @@
 
   static bool classof(const Binary *v) { return v->isWasm(); }
 
+  const wasm::WasmDylinkInfo &dylinkInfo() const { return DylinkInfo; }
+  const wasm::WasmProducerInfo &getProducerInfo() const { return ProducerInfo; }
   ArrayRef<wasm::WasmSignature> types() const { return Signatures; }
   ArrayRef<uint32_t> functionTypes() const { return FunctionTypes; }
   ArrayRef<wasm::WasmImport> imports() const { return Imports; }
   ArrayRef<wasm::WasmTable> tables() const { return Tables; }
   ArrayRef<wasm::WasmLimits> memories() const { return Memories; }
   ArrayRef<wasm::WasmGlobal> globals() const { return Globals; }
+  ArrayRef<wasm::WasmEvent> events() const { return Events; }
   ArrayRef<wasm::WasmExport> exports() const { return Exports; }
   ArrayRef<WasmSymbol> syms() const { return Symbols; }
   const wasm::WasmLinkingData &linkingData() const { return LinkingData; }
@@ -141,7 +148,7 @@
   uint32_t startFunction() const { return StartFunction; }
   uint32_t getNumImportedGlobals() const { return NumImportedGlobals; }
   uint32_t getNumImportedFunctions() const { return NumImportedFunctions; }
-
+  uint32_t getNumImportedEvents() const { return NumImportedEvents; }
   void moveSymbolNext(DataRefImpl &Symb) const override;
 
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
@@ -193,6 +200,7 @@
   Triple::ArchType getArch() const override;
   SubtargetFeatures getFeatures() const override;
   bool isRelocatableObject() const override;
+  bool isSharedObject() const;
 
   struct ReadContext {
     const uint8_t *Start;
@@ -205,17 +213,21 @@
   bool isDefinedFunctionIndex(uint32_t Index) const;
   bool isValidGlobalIndex(uint32_t Index) const;
   bool isDefinedGlobalIndex(uint32_t Index) const;
+  bool isValidEventIndex(uint32_t Index) const;
+  bool isDefinedEventIndex(uint32_t Index) const;
   bool isValidFunctionSymbol(uint32_t Index) const;
   bool isValidGlobalSymbol(uint32_t Index) const;
+  bool isValidEventSymbol(uint32_t Index) const;
   bool isValidDataSymbol(uint32_t Index) const;
   bool isValidSectionSymbol(uint32_t Index) const;
   wasm::WasmFunction &getDefinedFunction(uint32_t Index);
+  const wasm::WasmFunction &getDefinedFunction(uint32_t Index) const;
   wasm::WasmGlobal &getDefinedGlobal(uint32_t Index);
+  wasm::WasmEvent &getDefinedEvent(uint32_t Index);
 
   const WasmSection &getWasmSection(DataRefImpl Ref) const;
   const wasm::WasmRelocation &getWasmRelocation(DataRefImpl Ref) const;
 
-  const uint8_t *getPtr(size_t Offset) const;
   Error parseSection(WasmSection &Sec);
   Error parseCustomSection(WasmSection &Sec, ReadContext &Ctx);
 
@@ -226,6 +238,7 @@
   Error parseTableSection(ReadContext &Ctx);
   Error parseMemorySection(ReadContext &Ctx);
   Error parseGlobalSection(ReadContext &Ctx);
+  Error parseEventSection(ReadContext &Ctx);
   Error parseExportSection(ReadContext &Ctx);
   Error parseStartSection(ReadContext &Ctx);
   Error parseElemSection(ReadContext &Ctx);
@@ -233,19 +246,24 @@
   Error parseDataSection(ReadContext &Ctx);
 
   // Custom section types
+  Error parseDylinkSection(ReadContext &Ctx);
   Error parseNameSection(ReadContext &Ctx);
   Error parseLinkingSection(ReadContext &Ctx);
   Error parseLinkingSectionSymtab(ReadContext &Ctx);
   Error parseLinkingSectionComdat(ReadContext &Ctx);
+  Error parseProducersSection(ReadContext &Ctx);
   Error parseRelocSection(StringRef Name, ReadContext &Ctx);
 
   wasm::WasmObjectHeader Header;
   std::vector<WasmSection> Sections;
+  wasm::WasmDylinkInfo DylinkInfo;
+  wasm::WasmProducerInfo ProducerInfo;
   std::vector<wasm::WasmSignature> Signatures;
   std::vector<uint32_t> FunctionTypes;
   std::vector<wasm::WasmTable> Tables;
   std::vector<wasm::WasmLimits> Memories;
   std::vector<wasm::WasmGlobal> Globals;
+  std::vector<wasm::WasmEvent> Events;
   std::vector<wasm::WasmImport> Imports;
   std::vector<wasm::WasmExport> Exports;
   std::vector<wasm::WasmElemSegment> ElemSegments;
@@ -255,12 +273,58 @@
   std::vector<wasm::WasmFunctionName> DebugNames;
   uint32_t StartFunction = -1;
   bool HasLinkingSection = false;
+  bool HasDylinkSection = false;
   wasm::WasmLinkingData LinkingData;
   uint32_t NumImportedGlobals = 0;
   uint32_t NumImportedFunctions = 0;
+  uint32_t NumImportedEvents = 0;
   uint32_t CodeSection = 0;
   uint32_t DataSection = 0;
   uint32_t GlobalSection = 0;
+  uint32_t EventSection = 0;
+};
+
+class WasmSectionOrderChecker {
+public:
+  // We define orders for all core wasm sections and known custom sections.
+  enum : int {
+    // Core sections
+    // The order of standard sections is precisely given by the spec.
+    WASM_SEC_ORDER_TYPE = 1,
+    WASM_SEC_ORDER_IMPORT = 2,
+    WASM_SEC_ORDER_FUNCTION = 3,
+    WASM_SEC_ORDER_TABLE = 4,
+    WASM_SEC_ORDER_MEMORY = 5,
+    WASM_SEC_ORDER_GLOBAL = 6,
+    WASM_SEC_ORDER_EVENT = 7,
+    WASM_SEC_ORDER_EXPORT = 8,
+    WASM_SEC_ORDER_START = 9,
+    WASM_SEC_ORDER_ELEM = 10,
+    WASM_SEC_ORDER_DATACOUNT = 11,
+    WASM_SEC_ORDER_CODE = 12,
+    WASM_SEC_ORDER_DATA = 13,
+
+    // Custom sections
+    // "dylink" should be the very first section in the module
+    WASM_SEC_ORDER_DYLINK = 0,
+    // "linking" section requires DATA section in order to validate data symbols
+    WASM_SEC_ORDER_LINKING = 100,
+    // Must come after "linking" section in order to validate reloc indexes.
+    WASM_SEC_ORDER_RELOC = 101,
+    // "name" section must appear after DATA. Comes after "linking" to allow
+    // symbol table to set default function name.
+    WASM_SEC_ORDER_NAME = 102,
+    // "producers" section must appear after "name" section.
+    WASM_SEC_ORDER_PRODUCERS = 103
+  };
+
+  bool isValidSectionOrder(unsigned ID, StringRef CustomSectionName = "");
+
+private:
+  int LastOrder = -1; // Lastly seen known section's order
+
+  // Returns -1 for unknown sections.
+  int getSectionOrder(unsigned ID, StringRef CustomSectionName = "");
 };
 
 } // end namespace object
diff --git a/linux-x64/clang/include/llvm/Object/WasmTraits.h b/linux-x64/clang/include/llvm/Object/WasmTraits.h
index 049d72f..3eee8e7 100644
--- a/linux-x64/clang/include/llvm/Object/WasmTraits.h
+++ b/linux-x64/clang/include/llvm/Object/WasmTraits.h
@@ -1,9 +1,8 @@
 //===- WasmTraits.h - DenseMap traits for the Wasm structures ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/Object/WindowsResource.h b/linux-x64/clang/include/llvm/Object/WindowsResource.h
index a077c82..fd04e60 100644
--- a/linux-x64/clang/include/llvm/Object/WindowsResource.h
+++ b/linux-x64/clang/include/llvm/Object/WindowsResource.h
@@ -1,9 +1,8 @@
 //===-- WindowsResource.h ---------------------------------------*- C++-*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===---------------------------------------------------------------------===//
 //