Fix for PR14264 cause by commit r167237 which did not take into account a
possible buffer change with a .macro directive.
rdar://12637628
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index ae3d660..6f2e85e 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -154,6 +154,7 @@
StringRef CppHashFilename;
int64_t CppHashLineNumber;
SMLoc CppHashLoc;
+ int CppHashBuf;
/// AssemblerDialect. ~OU means unset value and use value provided by MAI.
unsigned AssemblerDialect;
@@ -1403,7 +1404,7 @@
getStreamer().EmitDwarfFileDirective(
getContext().nextGenDwarfFileNumber(), StringRef(), CppHashFilename);
- unsigned CppHashLocLineNo = SrcMgr.FindLineNumber(CppHashLoc, CurBuffer);
+ unsigned CppHashLocLineNo = SrcMgr.FindLineNumber(CppHashLoc,CppHashBuf);
Line = CppHashLineNumber - 1 + (Line - CppHashLocLineNo);
}
@@ -1465,6 +1466,7 @@
CppHashLoc = L;
CppHashFilename = Filename;
CppHashLineNumber = LineNumber;
+ CppHashBuf = CurBuffer;
// Ignore any trailing characters, they're just comment.
EatToEndOfLine();