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Check for empty predecessors for walking them. 

llvm-svn: 140725
This commit is contained in:
Ted Kremenek 2011-09-28 21:20:00 +00:00
parent 0470a63776
commit 252e03596a
1 changed files with 1 additions and 1 deletions
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2
clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
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@ -315,7 +315,7 @@ bugreporter::getTrackNullOrUndefValueVisitor(const ExplodedNode *N,
if (ps->getStmt() == S) if (ps->getStmt() == S)
break; break;
} }
N = *N->pred_begin(); N = N->pred_empty() ? 0 : *N->pred_begin();
} }
if (!N) if (!N)