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comparison gcc/testsuite/gcc.dg/Walloc-size-larger-than-6.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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children 1830386684a0
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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=1GiB -ftrack-macro-expansion=0" } */
4
5 void sink (void*);
6
7 #define T(x) sink (x)
8
9 void f (void)
10 {
11 __SIZE_TYPE__ n = 0;
12 T (__builtin_malloc (n));
13
14 n = 1024 * 1024 * 1024; /* 1 gigibyte (GiB) */
15 T (__builtin_malloc (n));
16
17 n += 1;
18 T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1073741825. exceeds maximum object size 1073741824" } */
19
20 n = __PTRDIFF_MAX__;
21 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
22
23 n = __SIZE_MAX__;
24 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
25 }