File: pr81908.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 (46 lines) | stat: -rw-r--r-- 909 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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
/* PR 81908 - FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32
   { dg-do compile }
   { dg-options "-O2 -Wall" } */

#define SIZE_MAX __SIZE_MAX__
typedef __SIZE_TYPE__ size_t;

void f0 (char *d, const char *s, size_t n)
{
  if (n > 0 && n <= SIZE_MAX / 2 - 1)
    n = 0;

  __builtin_memcpy (d, s, n);
}

void f1 (char *d, const char *s, size_t n)
{
  if (n > 0 && n <= SIZE_MAX / 2)
    n = 0;

  __builtin_memcpy (d, s, n);   /* { dg-bogus "\\\[-Wstringop-overflow=]" } */
}

void f2 (char *d, const char *s, size_t n)
{
  if (n > 0 && n <= SIZE_MAX / 2 + 1)
    n = 0;

  __builtin_memcpy (d, s, n);
}

void f3 (char *d, const char *s, size_t n)
{
  if (n > 0 && n <= SIZE_MAX - 1)
    n = 0;

  __builtin_memcpy (d, s, n);   /* { dg-bogus "\\\[-Wstringop-overflow=]" } */
}

void f4 (char *d, const char *s, size_t n)
{
  if (n > 0 && n <= SIZE_MAX)
    n = 0;

  __builtin_memcpy (d, s, n);
}