diff --git a/linux-x64/clang/include/llvm/LTO/LTO.h b/linux-x64/clang/include/llvm/LTO/LTO.h
index 7d6beab..2a3bc91 100644
--- a/linux-x64/clang/include/llvm/LTO/LTO.h
+++ b/linux-x64/clang/include/llvm/LTO/LTO.h
@@ -40,13 +40,13 @@
 class Target;
 class raw_pwrite_stream;
 
-/// Resolve Weak and LinkOnce values in the \p Index. Linkage changes recorded
-/// in the index and the ThinLTO backends must apply the changes to the Module
-/// via thinLTOResolveWeakForLinkerModule.
+/// Resolve linkage for prevailing symbols in the \p Index. Linkage changes
+/// recorded in the index and the ThinLTO backends must apply the changes to
+/// the module via thinLTOResolvePrevailingInModule.
 ///
 /// This is done for correctness (if value exported, ensure we always
 /// emit a copy), and compile-time optimization (allow drop of duplicates).
-void thinLTOResolveWeakForLinkerInIndex(
+void thinLTOResolvePrevailingInIndex(
     ModuleSummaryIndex &Index,
     function_ref<bool(GlobalValue::GUID, const GlobalValueSummary *)>
         isPrevailing,
diff --git a/linux-x64/clang/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h b/linux-x64/clang/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
index b32a972..2ff317a 100644
--- a/linux-x64/clang/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
+++ b/linux-x64/clang/include/llvm/LTO/legacy/ThinLTOCodeGenerator.h
@@ -187,7 +187,7 @@
   /// Cache policy: the maximum size for the cache directory in bytes. A value
   /// over the amount of available space on the disk will be reduced to the
   /// amount of available space. A value of 0 will be ignored.
-  void setCacheMaxSizeBytes(unsigned MaxSizeBytes) {
+  void setCacheMaxSizeBytes(uint64_t MaxSizeBytes) {
     if (MaxSizeBytes)
       CacheOptions.Policy.MaxSizeBytes = MaxSizeBytes;
   }
@@ -299,11 +299,6 @@
    */
   void optimize(Module &Module);
 
-  /**
-   * Perform ThinLTO CodeGen.
-   */
-  std::unique_ptr<MemoryBuffer> codegen(Module &Module);
-
   /**@}*/
 
 private: