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annotate 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
parents
children 1830386684a0
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131
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1 /* PR middle-end/82063 - issues with arguments enabled by -Wall
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2 { dg-do compile }
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3 { dg-options "-O -Walloc-size-larger-than=1GiB -ftrack-macro-expansion=0" } */
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4
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5 void sink (void*);
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6
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7 #define T(x) sink (x)
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8
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9 void f (void)
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10 {
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11 __SIZE_TYPE__ n = 0;
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12 T (__builtin_malloc (n));
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13
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14 n = 1024 * 1024 * 1024; /* 1 gigibyte (GiB) */
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15 T (__builtin_malloc (n));
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16
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17 n += 1;
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18 T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1073741825. exceeds maximum object size 1073741824" } */
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19
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20 n = __PTRDIFF_MAX__;
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21 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
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22
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23 n = __SIZE_MAX__;
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24 T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
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25 }