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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-02-01 22:23:56 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-02-01 22:23:56 +0000 |
| commit | cf1620a0ef7f6dc71f4fad5c46fbb0a2de6c6308 (patch) | |
| tree | b86f49a4de6c5a89ae57675e33ff0318ba3dc5bf /lib/Sema/SemaExpr.cpp | |
| parent | 7143325db76d6c3dabce82500f8cc7c93a941970 (diff) | |
Don't warn for "if ((a == b))" if the parens came from a macro. Thanks to Fariborz for the hint!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124689 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaExpr.cpp')
| -rw-r--r-- | lib/Sema/SemaExpr.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index 8448ed8079..6fe111fac7 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -9228,6 +9228,11 @@ void Sema::DiagnoseAssignmentAsCondition(Expr *E) { /// \brief Redundant parentheses over an equality comparison can indicate /// that the user intended an assignment used as condition. void Sema::DiagnoseEqualityWithExtraParens(ParenExpr *parenE) { + // Don't warn if the parens came from a macro. + SourceLocation parenLoc = parenE->getLocStart(); + if (parenLoc.isInvalid() || parenLoc.isMacroID()) + return; + Expr *E = parenE->IgnoreParens(); if (BinaryOperator *opE = dyn_cast<BinaryOperator>(E)) |