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comparison gcc/testsuite/gcc.dg/torture/builtin-sprintf.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 tree-optimization/86274 - SEGFAULT when logging std::to_string(NAN)
2 { dg-do run }
3 { dg-options "-O2 -Wall" } */
4
5 #define X "0xdeadbeef"
6 #define nan(x) __builtin_nan (x)
7
8 volatile double nan_0 = nan ("0");
9 volatile double nan_x = nan (X);
10
11 int main (void)
12 {
13 char buf[80];
14
15 /* Verify that folded results match those of the library calls. */
16 int cst_n_0 = __builtin_sprintf (buf, "%g", nan ("0"));
17 int cst_n_x = __builtin_sprintf (buf, "%g", nan (X));
18
19 int var_n_0 = __builtin_sprintf (buf, "%g", nan_0);
20 int var_n_x = __builtin_sprintf (buf, "%g", nan_x);
21
22 if (cst_n_0 != var_n_0)
23 __builtin_abort ();
24
25 if (cst_n_x != var_n_x)
26 __builtin_abort ();
27
28 return 0;
29 }