Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/Walloc-size-larger-than-11.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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111:04ced10e8804 | 131:84e7813d76e9 |
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1 /* PR middle-end/82063 - issues with arguments enabled by -Wall | |
2 { dg-do compile { target lp64 } } | |
3 { dg-options "-O -Walloc-size-larger-than=1PB -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 void f (void) | |
12 { | |
13 size_t n = 0; | |
14 T (__builtin_malloc (n)); | |
15 | |
16 n = (size_t)1000 * 1000 * 1000 * 1000 * 1000; /* 1 petabyte (PB) */ | |
17 T (__builtin_malloc (n)); | |
18 | |
19 n += 1; | |
20 T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1000000000000001. exceeds maximum object size 1000000000000000" } */ | |
21 | |
22 n = __PTRDIFF_MAX__; | |
23 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */ | |
24 | |
25 n = __SIZE_MAX__; | |
26 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */ | |
27 } |