vendor/clang/clang-r135360

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/StaticAnalyzer/Core/RegionStore.cpp b/lib/StaticAnalyzer/Core/RegionStore.cpp
index d0d8f601f071e..23dd6416a8f1a 100644
--- a/lib/StaticAnalyzer/Core/RegionStore.cpp
+++ b/lib/StaticAnalyzer/Core/RegionStore.cpp
@@ -1377,7 +1377,12 @@ StoreRef RegionStoreManager::setImplicitDefaultValue(Store store,
     V = svalBuilder.makeZeroVal(Ctx.IntTy);
   }
   else {
-    return StoreRef(store, *this);
+    // We can't represent values of this type, but we still need to set a value
+    // to record that the region has been initialized.
+    // If this assertion ever fires, a new case should be added above -- we
+    // should know how to default-initialize any value we can symbolicate.
+    assert(!SymbolManager::canSymbolicate(T) && "This type is representable");
+    V = UnknownVal();
   }
 
   return StoreRef(addBinding(B, R, BindingKey::Default,