1 // RUN: %clang_cc1 -verify -std=c++11 %s
2
3 using T = int[];
4
f()5 void f() {
6 int *p = &(int&)(int&&)0; // expected-warning {{temporary whose address is used as value of local variable 'p' will be destroyed at the end of the full-expression}}
7
8 int *q = (int *const &)T{1, 2, 3}; // expected-warning {{temporary whose address is used as value of local variable 'q' will be destroyed at the end of the full-expression}}
9
10 // FIXME: We don't warn here because the 'int*' temporary is not const, but
11 // it also can't have actually changed since it was created, so we could
12 // still warn.
13 int *r = (int *&&)T{1, 2, 3};
14
15 // FIXME: The wording of this warning is not quite right. There are two
16 // temporaries here: an 'int* const' temporary that points to the array, and
17 // is lifetime-extended, and an array temporary that the pointer temporary
18 // points to, which doesn't live long enough.
19 int *const &s = (int *const &)T{1, 2, 3}; // expected-warning {{temporary bound to local reference 's' will be destroyed at the end of the full-expression}}
20 }
21
22 // PR38355
g()23 void g() {
24 const int a[] = {a[0]};
25 const int b[] = {a[0]};
26 }
27