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-rw-r--r--lib/CodeGen/CodeGenAction.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/CodeGenAction.cpp b/lib/CodeGen/CodeGenAction.cpp
index 2b7fab3beb..1a092fcedb 100644
--- a/lib/CodeGen/CodeGenAction.cpp
+++ b/lib/CodeGen/CodeGenAction.cpp
@@ -267,13 +267,15 @@ static FullSourceLoc ConvertBackendLocation(const llvm::SMDiagnostic &D,
LSM.getMemoryBuffer(LSM.FindBufferContainingLoc(D.getLoc()));
// Create the copy and transfer ownership to clang::SourceManager.
+ // TODO: Avoid copying files into memory.
llvm::MemoryBuffer *CBuf =
llvm::MemoryBuffer::getMemBufferCopy(LBuf->getBuffer(),
LBuf->getBufferIdentifier());
+ // FIXME: Keep a file ID map instead of creating new IDs for each location.
FileID FID = CSM.createFileID(CBuf);
// Translate the offset into the file.
- unsigned Offset = D.getLoc().getPointer() - LBuf->getBufferStart();
+ unsigned Offset = D.getLoc().getPointer() - LBuf->getBufferStart();
SourceLocation NewLoc =
CSM.getLocForStartOfFile(FID).getLocWithOffset(Offset);
return FullSourceLoc(NewLoc, CSM);