Check in LLVM r95781.
diff --git a/test/Index/c-index-api-loadTU-test.m b/test/Index/c-index-api-loadTU-test.m
new file mode 100644
index 0000000..eea407e
--- /dev/null
+++ b/test/Index/c-index-api-loadTU-test.m
@@ -0,0 +1,131 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fblocks -emit-pch -x objective-c %s -o %t.ast
+// RUN: c-index-test -test-load-tu %t.ast all | FileCheck %s
+
+@interface Foo
+{
+}
+
+- foo;
++ fooC;
+
+@end
+
+@interface Bar : Foo
+{
+}
+
+@end
+
+@interface Foo (FooCat)
+- (int) catMethodWithFloat:(float) fArg;
+- (float) floatMethod;
+@end
+
+@protocol Proto
+- pMethod;
+@end
+
+@protocol SubP <Proto>
+- spMethod;
+@end
+
+@interface Baz : Bar <SubP>
+{
+ int _anIVar;
+}
+
+- (Foo *) bazMethod;
+
+@end
+
+enum {
+ someEnum
+};
+
+int main (int argc, const char * argv[]) {
+ Baz * bee;
+ id a = [bee foo];
+ id <SubP> c = [Foo fooC];
+ id <Proto> d;
+ d = c;
+ [d pMethod];
+ [bee catMethodWithFloat:[bee floatMethod]];
+ main(someEnum, (const char **)bee);
+}
+
+// CHECK: <invalid loc>:0:0: TypedefDecl=__int128_t:0:0 (Definition)
+// CHECK: <invalid loc>:0:0: TypedefDecl=__uint128_t:0:0 (Definition)
+// CHECK: <invalid loc>:0:0: TypedefDecl=SEL:0:0 (Definition)
+// CHECK: <invalid loc>:0:0: TypeRef=SEL:0:0
+// CHECK: <invalid loc>:0:0: TypedefDecl=id:0:0 (Definition)
+// CHECK: <invalid loc>:0:0: TypedefDecl=Class:0:0 (Definition)
+// CHECK: <invalid loc>:87:16: StructDecl=__va_list_tag:87:16 (Definition)
+// CHECK: <invalid loc>:87:42: FieldDecl=gp_offset:87:42 (Definition)
+// CHECK: <invalid loc>:87:63: FieldDecl=fp_offset:87:63 (Definition)
+// CHECK: <invalid loc>:87:81: FieldDecl=overflow_arg_area:87:81 (Definition)
+// CHECK: <invalid loc>:87:107: FieldDecl=reg_save_area:87:107 (Definition)
+// CHECK: <invalid loc>:87:123: TypedefDecl=__va_list_tag:87:123 (Definition)
+// CHECK: <invalid loc>:87:16: TypeRef=struct __va_list_tag:87:16
+// CHECK: <invalid loc>:87:159: TypedefDecl=__builtin_va_list:87:159 (Definition)
+// CHECK: <invalid loc>:87:145: TypeRef=__va_list_tag:87:123
+// CHECK: <invalid loc>:87:177: UnexposedExpr=
+// CHECK: c-index-api-loadTU-test.m:4:12: ObjCInterfaceDecl=Foo:4:12 [Extent=4:1:11:4]
+// CHECK: c-index-api-loadTU-test.m:8:1: ObjCInstanceMethodDecl=foo:8:1 [Extent=8:1:8:6]
+// CHECK: c-index-api-loadTU-test.m:9:1: ObjCClassMethodDecl=fooC:9:1 [Extent=9:1:9:7]
+// CHECK: c-index-api-loadTU-test.m:13:12: ObjCInterfaceDecl=Bar:13:12 [Extent=13:1:17:4]
+// CHECK: c-index-api-loadTU-test.m:13:18: ObjCSuperClassRef=Foo:4:12 [Extent=13:18:13:20]
+// CHECK: c-index-api-loadTU-test.m:19:12: ObjCCategoryDecl=FooCat:19:12 [Extent=19:1:22:4]
+// CHECK: c-index-api-loadTU-test.m:19:12: ObjCClassRef=Foo:4:12 [Extent=19:12:19:14]
+// CHECK: c-index-api-loadTU-test.m:20:1: ObjCInstanceMethodDecl=catMethodWithFloat::20:1 [Extent=20:1:20:40]
+// CHECK: c-index-api-loadTU-test.m:20:36: ParmDecl=fArg:20:36 (Definition) [Extent=20:29:20:39]
+// CHECK: c-index-api-loadTU-test.m:21:1: ObjCInstanceMethodDecl=floatMethod:21:1 [Extent=21:1:21:22]
+// CHECK: c-index-api-loadTU-test.m:24:1: ObjCProtocolDecl=Proto:24:1 (Definition) [Extent=24:1:26:4]
+// CHECK: c-index-api-loadTU-test.m:25:1: ObjCInstanceMethodDecl=pMethod:25:1 [Extent=25:1:25:10]
+// CHECK: c-index-api-loadTU-test.m:28:1: ObjCProtocolDecl=SubP:28:1 (Definition) [Extent=28:1:30:4]
+// CHECK: c-index-api-loadTU-test.m:28:17: ObjCProtocolRef=Proto:24:1 [Extent=28:17:28:21]
+// CHECK: c-index-api-loadTU-test.m:29:1: ObjCInstanceMethodDecl=spMethod:29:1 [Extent=29:1:29:11]
+// CHECK: c-index-api-loadTU-test.m:32:12: ObjCInterfaceDecl=Baz:32:12 [Extent=32:1:39:4]
+// CHECK: c-index-api-loadTU-test.m:32:18: ObjCSuperClassRef=Bar:13:12 [Extent=32:18:32:20]
+// CHECK: c-index-api-loadTU-test.m:32:23: ObjCProtocolRef=SubP:28:1 [Extent=32:23:32:26]
+// CHECK: c-index-api-loadTU-test.m:34:9: ObjCIvarDecl=_anIVar:34:9 (Definition) [Extent=34:9:34:15]
+// CHECK: c-index-api-loadTU-test.m:37:1: ObjCInstanceMethodDecl=bazMethod:37:1 [Extent=37:1:37:20]
+// CHECK: c-index-api-loadTU-test.m:41:1: EnumDecl=:41:1 (Definition) [Extent=41:1:43:1]
+// CHECK: c-index-api-loadTU-test.m:42:3: EnumConstantDecl=someEnum:42:3 (Definition) [Extent=42:3:42:10]
+// CHECK: c-index-api-loadTU-test.m:45:5: FunctionDecl=main:45:5 (Definition) [Extent=45:5:54:1]
+// CHECK: c-index-api-loadTU-test.m:45:15: ParmDecl=argc:45:15 (Definition) [Extent=45:11:45:18]
+// CHECK: c-index-api-loadTU-test.m:45:34: ParmDecl=argv:45:34 (Definition) [Extent=45:27:45:37]
+// CHECK: c-index-api-loadTU-test.m:45:5: UnexposedStmt= [Extent=45:42:54:1]
+// CHECK: c-index-api-loadTU-test.m:45:5: UnexposedStmt= [Extent=46:2:46:11]
+// CHECK: c-index-api-loadTU-test.m:46:8: VarDecl=bee:46:8 (Definition) [Extent=46:2:46:10]
+// CHECK: c-index-api-loadTU-test.m:46:2: ObjCClassRef=Baz:32:12 [Extent=46:2:46:4]
+// CHECK: c-index-api-loadTU-test.m:46:8: UnexposedStmt= [Extent=47:2:47:18]
+// CHECK: c-index-api-loadTU-test.m:47:5: VarDecl=a:47:5 (Definition) [Extent=47:2:47:17]
+// CHECK: c-index-api-loadTU-test.m:47:2: TypeRef=id:0:0 [Extent=47:2:47:3]
+// CHECK: c-index-api-loadTU-test.m:47:9: ObjCMessageExpr=foo:8:1 [Extent=47:9:47:17]
+// CHECK: c-index-api-loadTU-test.m:47:10: DeclRefExpr=bee:46:8 [Extent=47:10:47:12]
+// CHECK: c-index-api-loadTU-test.m:47:5: UnexposedStmt= [Extent=48:2:48:26]
+// CHECK: c-index-api-loadTU-test.m:48:12: VarDecl=c:48:12 (Definition) [Extent=48:2:48:25]
+// CHECK: c-index-api-loadTU-test.m:48:2: TypeRef=id:0:0 [Extent=48:2:48:3]
+// CHECK: c-index-api-loadTU-test.m:48:6: ObjCProtocolRef=SubP:28:1 [Extent=48:6:48:9]
+// CHECK: c-index-api-loadTU-test.m:48:16: UnexposedExpr=fooC:9:1 [Extent=48:16:48:25]
+// CHECK: c-index-api-loadTU-test.m:48:16: ObjCMessageExpr=fooC:9:1 [Extent=48:16:48:25]
+// CHECK: c-index-api-loadTU-test.m:48:12: UnexposedStmt= [Extent=49:2:49:14]
+// CHECK: c-index-api-loadTU-test.m:49:13: VarDecl=d:49:13 (Definition) [Extent=49:2:49:13]
+// CHECK: c-index-api-loadTU-test.m:49:2: TypeRef=id:0:0 [Extent=49:2:49:3]
+// CHECK: c-index-api-loadTU-test.m:49:6: ObjCProtocolRef=Proto:24:1 [Extent=49:6:49:10]
+// CHECK: c-index-api-loadTU-test.m:50:2: UnexposedExpr= [Extent=50:2:50:6]
+// CHECK: c-index-api-loadTU-test.m:50:2: DeclRefExpr=d:49:13 [Extent=50:2:50:2]
+// CHECK: c-index-api-loadTU-test.m:50:6: UnexposedExpr=c:48:12 [Extent=50:6:50:6]
+// CHECK: c-index-api-loadTU-test.m:50:6: DeclRefExpr=c:48:12 [Extent=50:6:50:6]
+// CHECK: c-index-api-loadTU-test.m:51:2: ObjCMessageExpr=pMethod:25:1 [Extent=51:2:51:12]
+// CHECK: c-index-api-loadTU-test.m:51:3: DeclRefExpr=d:49:13 [Extent=51:3:51:3]
+// CHECK: c-index-api-loadTU-test.m:52:2: ObjCMessageExpr=catMethodWithFloat::20:1 [Extent=52:2:52:43]
+// CHECK: c-index-api-loadTU-test.m:52:3: DeclRefExpr=bee:46:8 [Extent=52:3:52:5]
+// CHECK: c-index-api-loadTU-test.m:52:26: ObjCMessageExpr=floatMethod:21:1 [Extent=52:26:52:42]
+// CHECK: c-index-api-loadTU-test.m:52:27: DeclRefExpr=bee:46:8 [Extent=52:27:52:29]
+// CHECK: c-index-api-loadTU-test.m:53:3: CallExpr=main:45:5 [Extent=53:3:53:36]
+// CHECK: c-index-api-loadTU-test.m:53:3: UnexposedExpr=main:45:5 [Extent=53:3:53:6]
+// CHECK: c-index-api-loadTU-test.m:53:3: DeclRefExpr=main:45:5 [Extent=53:3:53:6]
+// CHECK: c-index-api-loadTU-test.m:53:8: DeclRefExpr=someEnum:42:3 [Extent=53:8:53:15]
+// CHECK: c-index-api-loadTU-test.m:53:18: UnexposedExpr=bee:46:8 [Extent=53:18:53:35]
+// CHECK: c-index-api-loadTU-test.m:53:33: DeclRefExpr=bee:46:8 [Extent=53:33:53:35]