aboutsummaryrefslogtreecommitdiff
path: root/lib/StaticAnalyzer/Core
diff options
context:
space:
mode:
authorJordan Rose <jordan_rose@apple.com>2012-09-22 01:24:49 +0000
committerJordan Rose <jordan_rose@apple.com>2012-09-22 01:24:49 +0000
commit6686b6694a7998623550ff6529f2f53bfee94328 (patch)
treec1fc0203711386fc678b7f609c75241c8c973fe1 /lib/StaticAnalyzer/Core
parent85e99373835fe1b4cec624bc48dc8dfe14c2a783 (diff)
[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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164445 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Core')
-rw-r--r--lib/StaticAnalyzer/Core/BugReporterVisitors.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
index 9bb8b8442e..e1a93673f6 100644
--- a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
+++ b/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.