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-rw-r--r--include/clang/Basic/SourceManager.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index 425c3b08b2..7cb1f4c4ba 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -396,8 +396,10 @@ public:
unsigned ChunkNo = FIDInfo->getChunkNo();
unsigned Offset = Loc.getRawFilePos();
Offset += (ChunkNo << SourceLocation::FilePosBits);
+
+ assert(Loc.getFileID() >= ChunkNo && "Unexpected offset");
- return std::pair<unsigned,unsigned>(Loc.getFileID()-ChunkNo, Offset);
+ return std::make_pair(Loc.getFileID()-ChunkNo, Offset);
}
/// getFullFilePos - This (efficient) method returns the offset from the start