1 /* PR tree-optimization/86274 - SEGFAULT when logging std::to_string(NAN)
2 { dg-do run }
3 { dg-options "-O2 -Wall" }
4 { dg-additional-options "-Wl,-u,_printf_float" { target newlib_nano_io } } */
5
6 #define X "0xdeadbeef"
7 #define nan(x) __builtin_nan (x)
8
9 volatile double nan_0 = nan ("0");
10 volatile double nan_x = nan (X);
11
main(void)12 int main (void)
13 {
14 char buf[80];
15
16 /* Verify that folded results match those of the library calls. */
17 int cst_n_0 = __builtin_sprintf (buf, "%g", nan ("0"));
18 int cst_n_x = __builtin_sprintf (buf, "%g", nan (X));
19
20 int var_n_0 = __builtin_sprintf (buf, "%g", nan_0);
21 int var_n_x = __builtin_sprintf (buf, "%g", nan_x);
22
23 if (cst_n_0 != var_n_0)
24 __builtin_abort ();
25
26 if (cst_n_x != var_n_x)
27 __builtin_abort ();
28
29 return 0;
30 }
31