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comparison gcc/testsuite/gcc.dg/Walloc-size-larger-than-14.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* PR middle-end/82063 - issues with arguments enabled by -Wall
2 { dg-do compile }
3 { dg-options "-O -Walloc-size-larger-than=123456789123456789123456789123456789 -ftrack-macro-expansion=0" } */
4
5 typedef __SIZE_TYPE__ size_t;
6
7 void sink (void*);
8
9 #define T(x) sink (x)
10
11 /* Verify that an exceedingly large -Walloc-size-larger-than argument
12 with no suffix is accepted and treated as infinite. */
13
14 void f (void)
15 {
16 size_t n = 0;
17 T (__builtin_malloc (n));
18
19 n = __PTRDIFF_MAX__;
20 T (__builtin_malloc (n));
21
22 n += 1;
23 T (__builtin_malloc (n));
24
25 n = __SIZE_MAX__ - 1;
26 T (__builtin_malloc (n));
27
28 n = __SIZE_MAX__;
29 T (__builtin_malloc (n));
30 }