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| author | Jordan Rose <jordan_rose@apple.com> | 2013-03-15 21:41:46 +0000 |
|---|---|---|
| committer | Jordan Rose <jordan_rose@apple.com> | 2013-03-15 21:41:46 +0000 |
| commit | 6a15f39a6bfd7a30085c5fa8f67d0b64b74b132a (patch) | |
| tree | 2a9560eee7b733b1a21f27f93342321032bd330b /lib/StaticAnalyzer/Core | |
| parent | 62bbe07f5aed5a2f9ae55ef480c4268cb4435d99 (diff) | |
[analyzer] Look through ExprWhenCleanups when trying to track a NULL.
Silences a few false positives in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177186 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Core')
| -rw-r--r-- | lib/StaticAnalyzer/Core/BugReporterVisitors.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp index 8cd3eecf2b..bf616b1d26 100644 --- a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp +++ b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp @@ -778,7 +778,8 @@ bool bugreporter::trackNullOrUndefValue(const ExplodedNode *N, if (!S || !N) return false; - // Peel off OpaqueValueExpr. + if (const ExprWithCleanups *EWC = dyn_cast<ExprWithCleanups>(S)) + S = EWC->getSubExpr(); if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(S)) S = OVE->getSourceExpr(); |