Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/builtin-snprintf-2.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 middle-end/79496 - call to snprintf with non-zero size eliminated with -Wformat-truncation=2 { dg-do compile } { dg-options "-O2 -Wall -Wformat-truncation=2 -fprintf-return-value -fdump-tree-optimized" } */ char d[2]; int test_cst (unsigned n) { if (1 < n) n = 0; return __builtin_snprintf (d, n, "%d", 1); } int test_var (char *d, unsigned n) { if (2 < n) n = 0; return __builtin_snprintf (d, n, "%i", 1); } /* { dg-final { scan-tree-dump-times "snprintf" 2 "optimized"} } */