Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/builtin-snprintf-2.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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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"} } */