diff --git a/linux-x64/clang/include/llvm-c/DebugInfo.h b/linux-x64/clang/include/llvm-c/DebugInfo.h
index 33c8110..5a9cd8e 100644
--- a/linux-x64/clang/include/llvm-c/DebugInfo.h
+++ b/linux-x64/clang/include/llvm-c/DebugInfo.h
@@ -17,10 +17,9 @@
 #define LLVM_C_DEBUGINFO_H
 
 #include "llvm-c/Core.h"
+#include "llvm-c/ExternC.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+LLVM_C_EXTERN_C_BEGIN
 
 /**
  * Debug info flags.
@@ -32,7 +31,7 @@
   LLVMDIFlagPublic = 3,
   LLVMDIFlagFwdDecl = 1 << 2,
   LLVMDIFlagAppleBlock = 1 << 3,
-  LLVMDIFlagBlockByrefStruct = 1 << 4,
+  LLVMDIFlagReservedBit4 = 1 << 4,
   LLVMDIFlagVirtual = 1 << 5,
   LLVMDIFlagArtificial = 1 << 6,
   LLVMDIFlagExplicit = 1 << 7,
@@ -160,7 +159,9 @@
   LLVMDIImportedEntityMetadataKind,
   LLVMDIMacroMetadataKind,
   LLVMDIMacroFileMetadataKind,
-  LLVMDICommonBlockMetadataKind
+  LLVMDICommonBlockMetadataKind,
+  LLVMDIStringTypeMetadataKind,
+  LLVMDIGenericSubrangeMetadataKind
 };
 typedef unsigned LLVMMetadataKind;
 
@@ -170,6 +171,19 @@
 typedef unsigned LLVMDWARFTypeEncoding;
 
 /**
+ * Describes the kind of macro declaration used for LLVMDIBuilderCreateMacro.
+ * @see llvm::dwarf::MacinfoRecordType
+ * @note Values are from DW_MACINFO_* constants in the DWARF specification.
+ */
+typedef enum {
+  LLVMDWARFMacinfoRecordTypeDefine = 0x01,
+  LLVMDWARFMacinfoRecordTypeMacro = 0x02,
+  LLVMDWARFMacinfoRecordTypeStartFile = 0x03,
+  LLVMDWARFMacinfoRecordTypeEndFile = 0x04,
+  LLVMDWARFMacinfoRecordTypeVendorExt = 0xff
+} LLVMDWARFMacinfoRecordType;
+
+/**
  * The current debug metadata version number.
  */
 unsigned LLVMDebugMetadataVersion(void);
@@ -238,6 +252,10 @@
  * \param SplitDebugInlining    Whether to emit inline debug info.
  * \param DebugInfoForProfiling Whether to emit extra debug info for
  *                              profile collection.
+ * \param SysRoot         The Clang system root (value of -isysroot).
+ * \param SysRootLen      The length of the C string passed to \c SysRoot.
+ * \param SDK           The SDK. On Darwin, the last component of the sysroot.
+ * \param SDKLen        The length of the C string passed to \c SDK.
  */
 LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
     LLVMDIBuilderRef Builder, LLVMDWARFSourceLanguage Lang,
@@ -245,7 +263,8 @@
     LLVMBool isOptimized, const char *Flags, size_t FlagsLen,
     unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
     LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
-    LLVMBool DebugInfoForProfiling);
+    LLVMBool DebugInfoForProfiling, const char *SysRoot, size_t SysRootLen,
+    const char *SDK, size_t SDKLen);
 
 /**
  * Create a file descriptor to hold debugging information for a file.
@@ -271,15 +290,15 @@
  * \param ConfigMacrosLen The length of the C string passed to \c ConfigMacros.
  * \param IncludePath     The path to the module map file.
  * \param IncludePathLen  The length of the C string passed to \c IncludePath.
- * \param ISysRoot        The Clang system root (value of -isysroot).
- * \param ISysRootLen     The length of the C string passed to \c ISysRoot.
+ * \param APINotesFile    The path to an API notes file for the module.
+ * \param APINotesFileLen The length of the C string passed to \c APINotestFile.
  */
 LLVMMetadataRef
 LLVMDIBuilderCreateModule(LLVMDIBuilderRef Builder, LLVMMetadataRef ParentScope,
                           const char *Name, size_t NameLen,
                           const char *ConfigMacros, size_t ConfigMacrosLen,
                           const char *IncludePath, size_t IncludePathLen,
-                          const char *ISysRoot, size_t ISysRootLen);
+                          const char *APINotesFile, size_t APINotesFileLen);
 
 /**
  * Creates a new descriptor for a namespace with the specified parent scope.
@@ -522,6 +541,38 @@
                                   LLVMDIFlags Flags);
 
 /**
+ * Create debugging information entry for a macro.
+ * @param Builder         The DIBuilder.
+ * @param ParentMacroFile Macro parent (could be NULL).
+ * @param Line            Source line number where the macro is defined.
+ * @param RecordType      DW_MACINFO_define or DW_MACINFO_undef.
+ * @param Name            Macro name.
+ * @param NameLen         Macro name length.
+ * @param Value           Macro value.
+ * @param ValueLen        Macro value length.
+ */
+LLVMMetadataRef LLVMDIBuilderCreateMacro(LLVMDIBuilderRef Builder,
+                                         LLVMMetadataRef ParentMacroFile,
+                                         unsigned Line,
+                                         LLVMDWARFMacinfoRecordType RecordType,
+                                         const char *Name, size_t NameLen,
+                                         const char *Value, size_t ValueLen);
+
+/**
+ * Create debugging information temporary entry for a macro file.
+ * List of macro node direct children will be calculated by DIBuilder,
+ * using the \p ParentMacroFile relationship.
+ * @param Builder         The DIBuilder.
+ * @param ParentMacroFile Macro parent (could be NULL).
+ * @param Line            Source line number where the macro file is included.
+ * @param File            File descriptor containing the name of the macro file.
+ */
+LLVMMetadataRef
+LLVMDIBuilderCreateTempMacroFile(LLVMDIBuilderRef Builder,
+                                 LLVMMetadataRef ParentMacroFile, unsigned Line,
+                                 LLVMMetadataRef File);
+
+/**
  * Create debugging information entry for an enumerator.
  * @param Builder        The DIBuilder.
  * @param Name           Enumerator name.
@@ -830,7 +881,7 @@
 LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type,
                            const char *Name, size_t NameLen,
                            LLVMMetadataRef File, unsigned LineNo,
-                           LLVMMetadataRef Scope);
+                           LLVMMetadataRef Scope, uint32_t AlignInBits);
 
 /**
  * Create debugging information entry to establish inheritance relationship
@@ -1308,8 +1359,6 @@
  */
 LLVMMetadataKind LLVMGetMetadataKind(LLVMMetadataRef Metadata);
 
-#ifdef __cplusplus
-} /* end extern "C" */
-#endif
+LLVM_C_EXTERN_C_END
 
 #endif