Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr79800.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR 79800 - wrong snprintf result range with precision in a narrow negative-positive range { dg-do "run" { target c99_runtime } } { dg-options "-O2 -Wall" } */ #define FMT "%.*a" char fmt[] = FMT; volatile double x = 1.23456789; void f (int p) { if (p < -1 || 0 < p) p = -1; char d[30]; int n1 = __builtin_sprintf (d, "%.*a", p, x); const char *s = n1 < 20 ? "< 20" : ">= 20"; if (__builtin_strcmp (s, ">= 20")) __builtin_abort (); } volatile int i = -1; int main () { f (i); return 0; }