1 /* Test normalization of ARRAY_REF expressions to MEM_REFs in dom. */ 2 /* { dg-do compile } */ 3 /* { dg-options "-O1 -fno-tree-fre -fdump-tree-dom2" } */ 4 5 int main(int argc,char ** argv)6main (int argc, char **argv) 7 { 8 union { 9 int a[4]; 10 int b[2]; 11 } u; 12 u.a[0] = 1; 13 u.a[1] = 42; 14 u.a[2] = 3; 15 u.a[3] = 4; 16 __builtin_printf ("%d\n", u.a[argc]); 17 return u.b[1]; 18 } 19 20 /* { dg-final { scan-tree-dump-times "return 42;" 1 "dom2" } } */ 21