File: udlit-overflow-neg.C

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (18 lines) | stat: -rw-r--r-- 633 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// { dg-do compile { target c++11 } }
// { dg-options "-Woverflow" }
// PR c++/52654
int
operator"" _w(unsigned long long)
{ return 0; }

int
operator"" _w(long double)
{ return 0.0L; }

int i = 12345678901234567890123456789012345678901234567890_w;
int j = 12345678901234567890123456789.012345678901234567890e+1234567890_w;
int k = 12345678901234567890123456789.012345678901234567890e-1234567890_w;

// { dg-warning "integer literal exceeds range of " "" { target *-*-* } 12 }
// { dg-warning "floating literal exceeds range of " "" { target *-*-* } 13 }
// { dg-warning "floating literal truncated to zero" "" { target *-*-* } 14 }