diff options
Diffstat (limited to 'clang/lib/Serialization/ASTReader.cpp')
| -rw-r--r-- | clang/lib/Serialization/ASTReader.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp index 57de217078f..650c46e9ff0 100644 --- a/clang/lib/Serialization/ASTReader.cpp +++ b/clang/lib/Serialization/ASTReader.cpp @@ -3802,7 +3802,8 @@ static ASTFileSignature readASTFileSignature(llvm::BitstreamReader &StreamFile); /// \brief Whether \p Stream starts with the AST/PCH file magic number 'CPCH'. static bool startsWithASTFileMagic(BitstreamCursor &Stream) { - return Stream.Read(8) == 'C' && + return Stream.canSkipToPos(4) && + Stream.Read(8) == 'C' && Stream.Read(8) == 'P' && Stream.Read(8) == 'C' && Stream.Read(8) == 'H'; |
