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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2013-01-16 16:52:44 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2013-01-16 16:52:44 +0000 |
| commit | 36845474e217b952c720f4f87923bc78059640c5 (patch) | |
| tree | 342c9cde67198f871c8786c31ebbb0565aaf3854 /lib/Lex/PreprocessingRecord.cpp | |
| parent | 1f2b07898f66524fd7fe1b177fb0d7c58016e93b (diff) | |
[preprocessor] Call the MacroUndefined callback even when the macro was not defined.
Patch by Enea Zaffanella!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172623 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Lex/PreprocessingRecord.cpp')
| -rw-r--r-- | lib/Lex/PreprocessingRecord.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Lex/PreprocessingRecord.cpp b/lib/Lex/PreprocessingRecord.cpp index 8e8afeb4b7..d7ebeafdf9 100644 --- a/lib/Lex/PreprocessingRecord.cpp +++ b/lib/Lex/PreprocessingRecord.cpp @@ -416,7 +416,9 @@ void PreprocessingRecord::MacroDefined(const Token &Id, void PreprocessingRecord::MacroUndefined(const Token &Id, const MacroInfo *MI) { - MacroDefinitions.erase(MI); + // Note: MI may be null (when #undef'ining an undefined macro). + if (MI) + MacroDefinitions.erase(MI); } void PreprocessingRecord::InclusionDirective( |