Add the clang library to the repo (with some of my changes, too).

1 files changed, 50 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/arc-system-header.m b/clang/test/SemaObjC/arc-system-header.m
new file mode 100644
index 0000000..1a7c39d
--- /dev/null
+++ b/clang/test/SemaObjC/arc-system-header.m
@@ -0,0 +1,50 @@
+// silly workaround expected-note {{marked unavailable here}}
+// RUN: %clang_cc1 -fobjc-arc -isystem %S/Inputs %s -DNO_USE
+// RUN: %clang_cc1 -fobjc-arc -isystem %S/Inputs %s -verify
+
+// another silly workaround expected-note {{marked unavailable here}}
+#include <arc-system-header.h>
+
+#ifndef NO_USE
+void test(id op, void *cp) {
+  cp = test0(op); // expected-error {{'test0' is unavailable: converts between Objective-C and C pointers in -fobjc-arc}}
+  cp = *test1(&op); // expected-error {{'test1' is unavailable: converts between Objective-C and C pointers in -fobjc-arc}}
+}
+
+// workaround expected-note {{marked unavailable here}}
+void test3(struct Test3 *p) {
+  p->field = 0; // expected-error {{'field' is unavailable: this system declaration uses an unsupported type}}
+}
+
+// workaround expected-note {{marked unavailable here}}
+void test4(Test4 *p) {
+  p->field1 = 0; // expected-error {{'field1' is unavailable: this system declaration uses an unsupported type}}
+  p->field2 = 0;
+}
+
+// workaround expected-note {{marked unavailable here}}
+void test5(struct Test5 *p) {
+  p->field = 0; // expected-error {{'field' is unavailable: this system field has retaining ownership}}
+}
+
+id test6() {
+  // This is actually okay to use if declared in a system header.
+  id x;
+  x = (id) kMagicConstant;
+  x = (id) (x ? kMagicConstant : kMagicConstant);
+  x = (id) (x ? kMagicConstant : (void*) 0);
+
+  extern void test6_helper();
+  x = (id) (test6_helper(), kMagicConstant);
+}
+
+// workaround expected-note 4 {{marked unavailable here}}
+void test7(Test7 *p) {
+  *p.prop = 0; // expected-error {{'prop' is unavailable: this system declaration uses an unsupported type}}
+  p.prop = 0; // expected-error {{'prop' is unavailable: this system declaration uses an unsupported type}}
+  *[p prop] = 0; // expected-error {{'prop' is unavailable: this system declaration uses an unsupported type}}
+  [p setProp: 0]; // expected-error {{'setProp:' is unavailable: this system declaration uses an unsupported type}}
+}
+#endif
+
+// test8 in header