Treat AllocaRegion as SymbolicRegion in RegionStore::Retrieve().
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72166 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/RegionStore.cpp b/lib/Analysis/RegionStore.cpp
index be34bd5..02d3d1f 100644
--- a/lib/Analysis/RegionStore.cpp
+++ b/lib/Analysis/RegionStore.cpp
@@ -705,10 +705,13 @@
const MemRegion* MR = cast<loc::MemRegionVal>(L).getRegion();
- // We return unknown for symbolic region for now. This might be improved.
+ // FIXME: return symbolic value for these cases.
// Example:
// void f(int* p) { int x = *p; }
- if (isa<SymbolicRegion>(MR))
+ // char* p = alloca();
+ // read(p);
+ // c = *p;
+ if (isa<SymbolicRegion>(MR) || isa<AllocaRegion>(MR))
return UnknownVal();
// FIXME: Perhaps this method should just take a 'const MemRegion*' argument