Fix crash in StoreManager::CastRegion() when the base region is a type with 0 size.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100594 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/Store.cpp b/lib/Checker/Store.cpp
index e524cb3..80b6586 100644
--- a/lib/Checker/Store.cpp
+++ b/lib/Checker/Store.cpp
@@ -170,13 +170,14 @@
if (IsCompleteType(Ctx, PointeeTy)) {
// Compute the size in **bytes**.
CharUnits pointeeTySize = Ctx.getTypeSizeInChars(PointeeTy);
-
- // Is the offset a multiple of the size? If so, we can layer the
- // ElementRegion (with elementType == PointeeTy) directly on top of
- // the base region.
- if (off % pointeeTySize == 0) {
- newIndex = off / pointeeTySize;
- newSuperR = baseR;
+ if (!pointeeTySize.isZero()) {
+ // Is the offset a multiple of the size? If so, we can layer the
+ // ElementRegion (with elementType == PointeeTy) directly on top of
+ // the base region.
+ if (off % pointeeTySize == 0) {
+ newIndex = off / pointeeTySize;
+ newSuperR = baseR;
+ }
}
}