File: Wnarrowing18.C

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 (15 lines) | stat: -rw-r--r-- 449 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
// PR c++/94590 - Detect long double -> double narrowing.
// { dg-do compile { target c++11 } }
// { dg-additional-options "-mlong-double-64" { target x86_64-*-* i?86-*-* } }

int
main ()
{
  using T = long double;
  extern long double ld;
  extern T ld2;
  extern const T ld3;
  double d{ld}; // { dg-error "narrowing conversion" }
  double d2{ld2}; // { dg-error "narrowing conversion" }
  double d3{ld3}; // { dg-error "narrowing conversion" }
}