Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr79352.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* PR tree-optimization/79352 - -fprintf-return-value doesn't handle flexible-like array members properly { dg-do compile } { dg-options "-O2 -fdump-tree-optimized" } */ struct A { int i; char a1[1]; }; struct B { int i; char a3[3]; }; struct C { int i; char ax[]; }; int test_array_1 (int i, struct A *a) { return __builtin_snprintf (0, 0, "%-s", a->a1); } int test_array_3 (int i, struct B *b) { return __builtin_snprintf (0, 0, "%-s", b->a3); } int test_array_1_3 (int i, struct A *a, struct B *b) { return __builtin_snprintf (0, 0, "%-s", i ? a->a1 : b->a3); } int test_string_and_array_3 (int i, struct B *b) { return __builtin_snprintf (0, 0, "%-s", i ? "123" : b->a3); } int test_flexarray (struct C *c) { return __builtin_snprintf (0, 0, "%-s", c->ax); } int test_array_and_flexarray (int i, struct B *b, struct C *c) { return __builtin_snprintf (0, 0, "%-s", i ? b->a3 : c->ax); } int test_string_and_flexarray (int i, struct C *c) { return __builtin_snprintf (0, 0, "%-s", i ? "123" : c->ax); } /* { dg-final { scan-tree-dump-times "snprintf" 7 "optimized"} } */