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-rw-r--r--include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h b/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
index b1aad7f63d..c3a00bd97a 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
@@ -110,7 +110,6 @@ public:
/// \brief Generates a default transition (containing checker tag but no
/// checker state changes).
- // TODO: Can we remove this one? We always generate autotransitions.
ExplodedNode *addTransition() {
return addTransition(getState());
}
@@ -148,6 +147,9 @@ private:
ExplodedNode *P = 0,
const ProgramPointTag *Tag = 0) {
assert(State);
+ if (State == Pred->getState() && !Tag && !MarkAsSink)
+ return Pred;
+
ExplodedNode *node = NB.generateNode(Tag ? Location.withTag(Tag) : Location,
State,
P ? P : Pred, MarkAsSink);