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annotate gcc/testsuite/gcc.dg/torture/builtin-sprintf.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* PR tree-optimization/86274 - SEGFAULT when logging std::to_string(NAN)
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2 { dg-do run }
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1830386684a0 gcc-9.2.0
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3 { dg-options "-O2 -Wall" }
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4 { dg-additional-options "-Wl,-u,_printf_float" { target newlib_nano_io } } */
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5
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6 #define X "0xdeadbeef"
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7 #define nan(x) __builtin_nan (x)
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8
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9 volatile double nan_0 = nan ("0");
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10 volatile double nan_x = nan (X);
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11
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12 int main (void)
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13 {
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14 char buf[80];
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15
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16 /* Verify that folded results match those of the library calls. */
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17 int cst_n_0 = __builtin_sprintf (buf, "%g", nan ("0"));
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18 int cst_n_x = __builtin_sprintf (buf, "%g", nan (X));
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19
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20 int var_n_0 = __builtin_sprintf (buf, "%g", nan_0);
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21 int var_n_x = __builtin_sprintf (buf, "%g", nan_x);
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22
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23 if (cst_n_0 != var_n_0)
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24 __builtin_abort ();
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25
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26 if (cst_n_x != var_n_x)
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27 __builtin_abort ();
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28
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29 return 0;
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30 }