[analyzer] Fix UninitializedObjectChecker to not crash on uninitialized "id" fields

Differential Revision: https://reviews.llvm.org/D50673

llvm-svn: 339631

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/Analysis/objcpp-uninitialized-object.mm b/clang/test/Analysis/objcpp-uninitialized-object.mm
index 3ec1eb75182..c1afb726389 100644
--- a/clang/test/Analysis/objcpp-uninitialized-object.mm
+++ b/clang/test/Analysis/objcpp-uninitialized-object.mm
@@ -20,3 +20,13 @@ void warnOnUninitializedBlock() {
 void noWarningWhenInitialized() {
   StructWithBlock a;
 }
+
+struct StructWithId {
+  int a;
+  id z; // expected-note{{uninitialized pointer 'this->z'}}
+  StructWithId() : a(0) {} // expected-warning{{1 uninitialized field at the end of the constructor call}}
+};
+
+void warnOnUninitializedId() {
+  StructWithId s;
+}