File: static_assert13.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (28 lines) | stat: -rw-r--r-- 488 bytes parent folder | download | duplicates (4) 
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
 
// { dg-do compile }
// { dg-options "-std=gnu++11" }

template<typename T>
  struct is_float
  {
    static constexpr bool value = false;
  };

template<>
  struct is_float<float>
  {
    static constexpr bool value = true;
  };

template<typename T>
  void
  float_thing(T __x)
  {
    static_assert(is_float<T>::value, ""); // { dg-error "static assertion failed" }
    static_assert(is_float<T>::value); // { dg-error "static assertion failed" }
  }

int
main()
{
  float_thing(1);
}