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annotate 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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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=123456789123456789123456789123456789 -ftrack-macro-expansion=0" } */
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4
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5 typedef __SIZE_TYPE__ size_t;
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6
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7 void sink (void*);
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8
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9 #define T(x) sink (x)
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10
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11 /* Verify that an exceedingly large -Walloc-size-larger-than argument
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12 with no suffix is accepted and treated as infinite. */
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13
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14 void f (void)
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15 {
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16 size_t n = 0;
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17 T (__builtin_malloc (n));
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18
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19 n = __PTRDIFF_MAX__;
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20 T (__builtin_malloc (n));
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21
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22 n += 1;
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23 T (__builtin_malloc (n));
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24
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25 n = __SIZE_MAX__ - 1;
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26 T (__builtin_malloc (n));
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27
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28 n = __SIZE_MAX__;
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29 T (__builtin_malloc (n));
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30 }