[analyzer] Cleanup leak warnings: do not print the names of variables from other functions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179219 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/MallocChecker.cpp b/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
index cc5c604..03471a5 100644
--- a/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
@@ -1527,13 +1527,19 @@
// Find the most recent expression bound to the symbol in the current
// context.
- if (!ReferenceRegion) {
- if (const MemRegion *MR = C.getLocationRegionIfPostStore(N)) {
- SVal Val = State->getSVal(MR);
- if (Val.getAsLocSymbol() == Sym)
- ReferenceRegion = MR;
+ if (!ReferenceRegion) {
+ if (const MemRegion *MR = C.getLocationRegionIfPostStore(N)) {
+ SVal Val = State->getSVal(MR);
+ if (Val.getAsLocSymbol() == Sym) {
+ const VarRegion* VR = MR->getAs<VarRegion>();
+ // Do not show local variables belonging to a function other than
+ // where the error is reported.
+ if (!VR ||
+ (VR->getStackFrame() == LeakContext->getCurrentStackFrame()))
+ ReferenceRegion = MR;
+ }
+ }
}
- }
// Allocation node, is the last node in the current context in which the
// symbol was tracked.