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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2010-11-19 20:54:25 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2010-11-19 20:54:25 +0000 |
| commit | a25b6a4b43e8b9611f7506e5fe1b448833b10a46 (patch) | |
| tree | 1c8c6e68f978b9b156704e77c31beb8bf573b845 /lib/Lex/PPMacroExpansion.cpp | |
| parent | b95cfe4bb01f18a112bcb7eea3b82bc8d6dfe20b (diff) | |
Don't warn for empty 'if' body if there is a macro that expands to nothing, e.g:
if (condition)
CALL(0); // empty macro but don't warn for empty body.
Fixes rdar://8436021.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119838 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Lex/PPMacroExpansion.cpp')
| -rw-r--r-- | lib/Lex/PPMacroExpansion.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp index 2428f9af45..6d2c387d52 100644 --- a/lib/Lex/PPMacroExpansion.cpp +++ b/lib/Lex/PPMacroExpansion.cpp @@ -176,6 +176,7 @@ bool Preprocessor::isNextPPTokenLParen() { /// expanded as a macro, handle it and return the next token as 'Identifier'. bool Preprocessor::HandleMacroExpandedIdentifier(Token &Identifier, MacroInfo *MI) { + MacroExpansionFlag = true; if (Callbacks) Callbacks->MacroExpands(Identifier, MI); // If this is a macro expansion in the "#if !defined(x)" line for the file, |