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| author | Matt Beaumont-Gay <matthewbg@google.com> | 2012-01-06 22:43:58 +0000 |
|---|---|---|
| committer | Matt Beaumont-Gay <matthewbg@google.com> | 2012-01-06 22:43:58 +0000 |
| commit | d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57 (patch) | |
| tree | 6919ce0acbee739edf215e680d38e224d0c18c86 /lib/Sema/SemaStmt.cpp | |
| parent | cd93b96bc51c255d104095bc6a6d8eac74a84b1e (diff) | |
Suppress -Wunused-value within macros from system headers.
Along the way, move a helper function from SemaChecking.cpp to a more
accessible home in SourceManager.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147692 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaStmt.cpp')
| -rw-r--r-- | lib/Sema/SemaStmt.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp index d7489d418e..78a58964db 100644 --- a/lib/Sema/SemaStmt.cpp +++ b/lib/Sema/SemaStmt.cpp @@ -152,7 +152,8 @@ void Sema::DiagnoseUnusedExprResult(const Stmt *S) { SourceLocation Loc; SourceRange R1, R2; - if (!E->isUnusedResultAWarning(Loc, R1, R2, Context)) + if (SourceMgr.isInSystemMacro(E->getExprLoc()) || + !E->isUnusedResultAWarning(Loc, R1, R2, Context)) return; // Okay, we have an unused result. Depending on what the base expression is, |