gcc/testsuite/gcc.target/arm/pr85173.c

   1 /* PR target/85173.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2 -fstack-clash-protection --param stack-clash-protection-probe-interval=14" } */
   5 /* { dg-require-effective-target arm_thumb2_ok } */
   6
   7 __attribute__((noinline, noclone)) void
   8 foo (char *p)
   9 {
  10   asm volatile ("" : : "r" (p) : "memory");
  11 }
  12
  13 /* Nonconstant alloca, small local frame.  */
  14 __attribute__((noinline, noclone)) void
  15 f5 (int x)
  16 {
  17   char locals[128];
  18   char *vla = __builtin_alloca (x);
  19   foo (vla);
  20 }