array indexes are unsigned integers of the same width as pointer.
no-outofbounds.c still fails. Previously it passed because the array index
is mistakenly a loc::ConcreteInt.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70844 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicStore.cpp b/lib/Analysis/BasicStore.cpp
index 969e4c9..598191f57 100644
--- a/lib/Analysis/BasicStore.cpp
+++ b/lib/Analysis/BasicStore.cpp
@@ -213,11 +213,10 @@
const MemRegion *R = cast<loc::MemRegionVal>(BaseL).getRegion();
if (isa<ElementRegion>(R)) {
- // Basic example:
- // char buf[100];
- // char *q = &buf[1]; // p points to ElementRegion(buf,Unknown)
- // &q[10]
- //assert(cast<ElementRegion>(R)->getIndex().isUnknown());
+ // int x;
+ // char* y = (char*) &x;
+ // 'y' => ElementRegion(0, VarRegion('x'))
+ // y[0] = 'a';
return Base;
}