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author | Jordan Rose <jordan_rose@apple.com> | 2012-09-22 01:24:49 +0000 |
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committer | Jordan Rose <jordan_rose@apple.com> | 2012-09-22 01:24:49 +0000 |
commit | 6f3d2f0acdf14b17aa0bbc79dcbe74cb687d1d1b (patch) | |
tree | fc4c0ce5683fa79b0b543fcc089624ab0a0bd04f /clang/lib/StaticAnalyzer/Core | |
parent | 106b037a85506fe22d1bb0fab92ac9e5b00e2377 (diff) | |
download | bcm5719-llvm-6f3d2f0acdf14b17aa0bbc79dcbe74cb687d1d1b.tar.gz bcm5719-llvm-6f3d2f0acdf14b17aa0bbc79dcbe74cb687d1d1b.zip |
[analyzer] Look through OpaqueValueExprs when tracking a nil value.
This allows us to show /why/ a particular object is nil, even when it is
wrapped in an OpaqueValueExpr.
llvm-svn: 164445
Diffstat (limited to 'clang/lib/StaticAnalyzer/Core')
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp index 9bb8b8442e1..e1a93673f65 100644 --- a/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp +++ b/clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp @@ -499,6 +499,9 @@ void bugreporter::trackNullOrUndefValue(const ExplodedNode *N, const Stmt *S, if (!S || !N) return; + if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(S)) + S = OVE->getSourceExpr(); + ProgramStateManager &StateMgr = N->getState()->getStateManager(); // Walk through nodes until we get one that matches the statement exactly. |