gcc/testsuite/gcc.dg/pr107557-1.c

   1 /* PR107557
   2  * { dg-do compile }
   3  * { dg-require-effective-target lto }
   4  * { dg-options "-flto -fsanitize=undefined -fexceptions -Wno-incompatible-pointer-types" }
   5  */
   6
   7
   8 int c[1][3*2];
   9 int f(int * const m, int (**v)[*m * 2])
  10 {
  11         return &(c[0][*m]) == &((*v)[0][*m]);
  12 }
  13 int test(int n, int (*(*fn)(void))[n])
  14 {
  15         return (*fn())[0];
  16 }
  17 int main()
  18 {
  19         int m = 3;
  20         int (*d)[3*2] = c;
  21         int (*fn[m])(void);
  22         return f(&m, &d) + test(m, &fn);
  23 }
  24
  25