gcc/testsuite/gcc.dg/pr70017.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fstack-check=generic" } */
   3
   4 /* Check that the expected warning is issued for large frames.  */
   5
   6 #define ONE(s) char a##s[32];
   7 #define TEN(s) ONE(s##0) ONE(s##1) ONE(s##2) ONE(s##3) ONE(s##4) \
   8                ONE(s##5) ONE(s##6) ONE(s##7) ONE(s##8) ONE(s##9)
   9 #define HUNDRED(s) TEN(s##0) TEN(s##1) TEN(s##2) TEN(s##3) TEN(s##4) \
  10                    TEN(s##5) TEN(s##6) TEN(s##7) TEN(s##8) TEN(s##9)
  11
  12 void foo(void)
  13 {
  14   HUNDRED(a)
  15   HUNDRED(b)
  16 #undef ONE
  17 #define ONE(s) a##s[0] = 0;
  18   HUNDRED(a)
  19   HUNDRED(b)
  20 } /* { dg-warning "frame size too large for reliable stack checking" "" { target { ! alpha*-*-* } } } */