diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Lex/PPMacroExpansion.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp index 7e695a542b0..330e2a17aa3 100644 --- a/clang/lib/Lex/PPMacroExpansion.cpp +++ b/clang/lib/Lex/PPMacroExpansion.cpp @@ -485,6 +485,10 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) { // be affected by #line. SourceLocation Loc = Tok.getLocation(); + // Advance to the location of the first _, this might not be the first byte + // of the token if it starts with an escaped newline. + Loc = AdvanceToTokenCharacter(Loc, 0); + // One wrinkle here is that GCC expands __LINE__ to location of the *end* of // a macro instantiation. This doesn't matter for object-like macros, but // can matter for a function-like macro that expands to contain __LINE__. |
