1// PR c++/20280
2
3// { dg-do compile }
4
5// Gimplification of the COND_EXPR used to fail because it had an
6// addressable type, and create_tmp_var rejected that.
7
8struct A
9{
10    ~A();
11};
12
13struct B : A {};
14
15A& foo();
16
17void bar(bool b)
18{
19    (B&) (b ? foo() : foo());
20}
21
22// Make sure bit-fields and addressable types don't cause crashes.
23// These were not in the original bug report.
24
25// Added by Alexandre Oliva <aoliva@redhat.com>
26
27// Copyright 2005 Free Software Foundation
28
29struct X
30{
31  long i : 32, j, k : 32;
32};
33
34void g(long&);
35void h(const long&);
36
37void f(X &x, bool b)
38{
39  (b ? x.i : x.j) = 1;
40  (b ? x.j : x.k) = 2;
41  (b ? x.i : x.k) = 3;
42
43  (void)(b ? x.i : x.j);
44  (void)(b ? x.i : x.k);
45  (void)(b ? x.j : x.k);
46
47  g (b ? x.i : x.j); // { dg-error "cannot bind bitfield" }
48  g (b ? x.i : x.k); // { dg-error "cannot bind bitfield" }
49  g (b ? x.j : x.k); // { dg-error "cannot bind bitfield" }
50
51  // It's not entirely clear whether these should be accepted.  The
52  // conditional expressions are lvalues for sure, and 8.5.3/5 exempts
53  // lvalues for bit-fields, but it's not clear that conditional
54  // expressions that are lvalues and that have at least one possible
55  // result that is a bit-field lvalue meets this condition.
56  h (b ? x.i : x.j);
57  h (b ? x.i : x.k);
58  h (b ? x.j : x.k);
59
60  (long &)(b ? x.i : x.j); // { dg-error "address of bit-field" }
61  (long &)(b ? x.i : x.k); // { dg-error "address of bit-field" }
62  (long &)(b ? x.j : x.k); // { dg-error "address of bit-field" }
63}
64