1 files changed, 2 insertions, 3 deletions
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 34d2fec3cba..b55001e2b1b 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -456,10 +456,9 @@ const std::string &ASTUnit::getASTFileName() {
 }
 
 llvm::MemoryBuffer *ASTUnit::getBufferForFile(llvm::StringRef Filename,
-                                              std::string *ErrorStr,
-                                              int64_t FileSize) {
+                                              std::string *ErrorStr) {
   assert(FileMgr);
-  return FileMgr->getBufferForFile(Filename, ErrorStr, FileSize);
+  return FileMgr->getBufferForFile(Filename, ErrorStr);
 }
 
 /// \brief Configure the diagnostics object for use with ASTUnit.