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-rw-r--r--clang/lib/Rewrite/Frontend/InclusionRewriter.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Rewrite/Frontend/InclusionRewriter.cpp b/clang/lib/Rewrite/Frontend/InclusionRewriter.cpp
index 176ea3f79dc..16c6d86f739 100644
--- a/clang/lib/Rewrite/Frontend/InclusionRewriter.cpp
+++ b/clang/lib/Rewrite/Frontend/InclusionRewriter.cpp
@@ -363,9 +363,11 @@ bool InclusionRewriter::Process(FileID FileId,
if (SM.getFileIDSize(FileId) == 0)
return false;
+ SourceLocation StartLoc = RawLex.getSourceLocation();
// The next byte to be copied from the source file, which may be non-zero if
// the lexer handled a BOM.
- unsigned NextToWrite = SM.getFileOffset(RawLex.getSourceLocation());
+ unsigned NextToWrite = SM.getFileOffset(StartLoc);
+ assert(SM.getPresumedLoc(StartLoc).getLine() == 1);
int Line = 1; // The current input file line number.
Token RawToken;
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