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-rw-r--r--clang/lib/StaticAnalyzer/Core/CallEvent.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/StaticAnalyzer/Core/CallEvent.cpp b/clang/lib/StaticAnalyzer/Core/CallEvent.cpp
index dd33e014c30..9ab68747561 100644
--- a/clang/lib/StaticAnalyzer/Core/CallEvent.cpp
+++ b/clang/lib/StaticAnalyzer/Core/CallEvent.cpp
@@ -272,8 +272,11 @@ static void addParameterValuesToBindings(const StackFrameContext *CalleeCtx,
CallEvent::param_iterator E) {
MemRegionManager &MRMgr = SVB.getRegionManager();
+ // If the function has fewer parameters than the call has arguments, we simply
+ // do not bind any values to them.
+ unsigned NumArgs = Call.getNumArgs();
unsigned Idx = 0;
- for (; I != E; ++I, ++Idx) {
+ for (; I != E && Idx < NumArgs; ++I, ++Idx) {
const ParmVarDecl *ParamDecl = *I;
assert(ParamDecl && "Formal parameter has no decl?");
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