File: constexpr-new19.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (43 lines) | stat: -rw-r--r-- 454 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
// PR c++/99859
// { dg-do compile { target c++20 } }

constexpr void
foo (int *x)
{
  ++*x;
}

constexpr int
bar ()
{
  int *x = new int (0);
  foo (x);
  foo (x);
  int y = *x;
  delete x;
  return y;
}

static_assert (bar () == 2);

struct R { int a, *b; };

constexpr void
baz (R x)
{
  ++*x.b;
}

constexpr int
qux ()
{
  int *x = new int (0);
  R r{1, x};
  baz (r);
  baz (r);
  int y = *x;
  delete x;
  return y;
}

static_assert (qux () == 2);