1 // RUN: %clang_cc1 -std=c++98 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 | FileCheck %s
2 // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 | FileCheck %s
3 
4 struct S {
5   virtual ~S() { }
6 };
7 
8 // PR5706
9 // Make sure this doesn't crash; the mangling doesn't matter because the name
10 // doesn't have linkage.
11 static struct : S { } obj8;
12 
13 void f() {
14   // Make sure this doesn't crash; the mangling doesn't matter because the
15   // generated vtable/etc. aren't modifiable (although it would be nice for
16   // codesize to make it consistent inside inline functions).
17   static struct : S { } obj8;
18 }
19 
20 inline int f2() {
21   // FIXME: We don't mangle the names of a or x correctly!
22   static struct { int a() { static int x; return ++x; } } obj;
23   return obj.a();
24 }
25 
26 int f3() { return f2(); }
27 
28 struct A {
29   typedef struct { int x; } *ptr;
30   ptr m;
31   int a() {
32     static struct x {
33       // FIXME: We don't mangle the names of a or x correctly!
34       int a(ptr A::*memp) { static int x; return ++x; }
35     } a;
36     return a.a(&A::m);
37   }
38 };
39 
40 int f4() { return A().a(); }
41 
42 int f5() {
43   static union {
44     int a;
45   };
46 
47   // CHECK: _ZZ2f5vE1a
48   return a;
49 }
50 
51 #if __cplusplus <= 199711L
52 int f6() {
53   static union {
54     union {
55       int : 1;
56     };
57     int b;
58   };
59 
60   // CXX98: _ZZ2f6vE1b
61   return b;
62 }
63 #endif
64 
65 int f7() {
66   static union {
67     union {
68       int b;
69     } a;
70   };
71 
72   // CHECK: _ZZ2f7vE1a
73   return a.b;
74 }
75 
76 // This used to cause an assert because the typedef-for-anonymous-tag
77 // code was trying to claim the enum for the template.
78 enum { T8 };
79 template <class T> struct Test8 {
80   typedef T type;
81   Test8(type t) {} // tested later
82 };
83 template <class T> void make_test8(T value) { Test8<T> t(value); }
84 void test8() { make_test8(T8); }
85 
86 // CHECK-LABEL: define internal void @"_ZNV3$_35test9Ev"(
87 typedef volatile struct {
88   void test9() volatile {}
89 } Test9;
90 void test9() {
91   Test9 a;
92   a.test9();
93 }
94 
95 // CHECK-LABEL: define internal void @"_ZN5Test8I3$_2EC1ES0_"(
96