view gcc/testsuite/gcc.dg/Walloca-15.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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/* { dg-do compile } */
/* { dg-require-effective-target alloca } */
/* { dg-options "-Walloca-larger-than=128 -O2" } */

typedef __SIZE_TYPE__ size_t;

void bar (void*);

void foo1 (size_t len)
{
  bar (__builtin_alloca_with_align_and_max (len, 8, 128));
}

void foo2 (size_t len)
{
  bar (__builtin_alloca_with_align_and_max (len, 8, 256)); /* { dg-warning "may be too large" } */
}