[clang] [analyzer] Fix handling of zero-sized elements in ArrayBound (PR #218712)

[Balázs Benics via cfe-commits]

================
@@ -200,6 +200,14 @@ static bool isDeterminedByInterestingSymbol(SVal SV,
   return false;
 }
 
+static int64_t getElementSize(const ElementRegion *ER, SValBuilder &SVB) {
+  QualType ElemType = ER->getElementType();
+
+  assert(!ElemType->isIncompleteType() && "ElemType cannot be incomplete");
----------------
steakhal wrote:

Fine.

https://github.com/llvm/llvm-project/pull/218712