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-rw-r--r--clang/lib/Lex/PPDirectives.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Lex/PPDirectives.cpp b/clang/lib/Lex/PPDirectives.cpp
index 5a4d2ee15e3..8e76b920aab 100644
--- a/clang/lib/Lex/PPDirectives.cpp
+++ b/clang/lib/Lex/PPDirectives.cpp
@@ -499,6 +499,8 @@ TryAgain:
goto TryAgain;
case tok::numeric_constant: // # 7 GNU line marker directive.
+ if (getLangOptions().AsmPreprocessor)
+ break; // # 4 is not a preprocessor directive in .S files.
return HandleDigitDirective(Result);
default:
IdentifierInfo *II = Result.getIdentifierInfo();
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