1 // RUN: %clang_cc1 -std=c++1z -verify %s
2 
3 namespace pr32864_0 {
4   struct transfer_t {
5     void *fctx;
6   };
7   template <typename Ctx> class record {
run()8     void run() {
9       transfer_t t;
10       Ctx from{t.fctx};
11     }
12   };
13 }
14 
15 namespace pr33140_0a {
16   struct S {
Spr33140_0a::S17     constexpr S(const int &a = 0) {}
18   };
foo(void)19   void foo(void) { S s[2] = {}; }
20 }
21 
22 namespace pr33140_0b {
23   bool bar(float const &f = 0);
foo()24   bool foo() { return bar() && bar(); }
25 }
26 
27 namespace pr33140_2 {
28   // FIXME: The declaration of 'b' below should lifetime-extend two int
29   // temporaries.
30   struct A { int &&r = 0; }; // expected-note 2{{initializing field 'r' with default member initializer}}
31   struct B { A x, y; };
32   B b = {}; // expected-warning 2{{not supported}}
33 }
34 
35 namespace pr33140_3 {
36   typedef struct Y { unsigned int c; } Y_t;
37   struct X {
38     Y_t a;
39   };
40   struct X foo[2] = {[0 ... 1] = {.a = (Y_t){.c = 0}}}; // expected-warning {{C99 extension}}
41 }
42 
43 namespace pr33140_6 {
44   struct Y { unsigned int c; };
45   struct X { struct Y *p; };
f()46   int f() {
47     // FIXME: This causes clang to crash.
48     //return (struct X[2]){ [0 ... 1] = { .p = &(struct Y&)(struct Y&&)(struct Y){0} } }[0].p->c;
49     return 0;
50   }
51 }
52 
53 namespace pr33140_10 {
54   int a(const int &n = 0);
b()55   bool b() { return a() == a(); }
56 }
57