Improve type-checking of ?: for Objective-C types.
- Allow any Objective-C object types to devolve to type id in a ?:
expression. This matches gcc behavior more closely.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55705 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/conditional-expr-3.m b/test/SemaObjC/conditional-expr-3.m
new file mode 100644
index 0000000..de7b828
--- /dev/null
+++ b/test/SemaObjC/conditional-expr-3.m
@@ -0,0 +1,63 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@protocol P0
+@end
+@protocol P1
+@end
+@protocol P2
+@end
+
+@interface A <P0>
+@end
+
+@interface B : A
+@end
+
+void bar(id x);
+void barP0(id<P0> x);
+void barP1(id<P1> x);
+void barP2(id<P2> x);
+
+void f0(A *a) {
+ id l = a;
+}
+
+void f1(id x, A *a) {
+ id<P0> l = a;
+}
+
+void f2(id<P1> x) {
+ id<P0> l = x; // expected-error {{incompatible type initializing 'id<P1>', expected 'id<P0>'}}
+}
+
+void f3(A *a) {
+ id<P1> l = a; // expected-error {{incompatible type initializing 'A *', expected 'id<P1>'}}
+}
+
+void f4(int cond, id x, A *a) {
+ bar(cond ? x : a);
+}
+
+void f5(int cond, A *a, B *b) {
+ bar(cond ? a : b);
+}
+
+void f6(int cond, id x, A *a) {
+ bar(cond ? (id<P0, P1>) x : a);
+}
+
+void f7(int cond, id x, A *a) {
+ bar(cond ? a : (id<P0, P1>) x);
+}
+
+void f8(int cond, id<P0,P1> x0, id<P0,P2> x1) {
+ barP0(cond ? x0 : x1);
+}
+
+void f9(int cond, id<P0,P1> x0, id<P0,P2> x1) {
+ barP1(cond ? x0 : x1);
+}
+
+void f10(int cond, id<P0,P1> x0, id<P0,P2> x1) {
+ barP2(cond ? x0 : x1);
+}