File: uninitialized_construct.cc

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (17 lines) | stat: -rw-r--r-- 371 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }

#include <memory>

constexpr bool
test_pr104542()
{
  // PR libstdc++/104542 - missing constexpr
  std::allocator<int> a;
  int* p = a.allocate(1);
  int i = *std::uninitialized_construct_using_allocator<int>(p, a, 999);
  a.deallocate(p, 1);
  return i == 999;
}

static_assert( test_pr104542() );