File: Wunused-var-6.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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/* PR c/43981 */
/* { dg-do compile } */
/* { dg-options "-Wunused" } */
/* { dg-require-effective-target alloca } */

void g (char *);

char
f (int a)
{
  int len = a * 3;
  char t[len];

  g (t);
  return t[0];
}