gcc/testsuite/gcc.target/avr/pr60991.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O1" } */
   3
   4 /* This testcase (simplified from the original bug report) exposes
   5    PR60991. The code generated for writing the __int24 value corrupts
   6    the frame pointer if the offset is <= 63 + MAX_LD_OFFSET */
   7
   8 #include <stdlib.h>
   9
  10 int main(void)
  11 {
  12     volatile char junk[62];
  13     junk[0] = 5;
  14     volatile __int24 staticConfig = 0;
  15
  16     if (junk[0] != 5)
  17       abort();
  18
  19     exit(0);
  20     return 0;
  21 }