1 /* This used to ICE on s390 due to bug in the definition of the 'R' 2 constraint which replaced the 'm' constraint (together with 'T') 3 while adding z10 support. */ 4 5 /* { dg-do compile } */ 6 /* { dg-options "-O" } */ 7 boo()8int boo() 9 { 10 struct { 11 unsigned char pad[4096]; 12 unsigned long bar; 13 } *foo; 14 asm volatile( "" : "=m" (*(unsigned long long*)(foo->bar)) 15 : "a" (&foo->bar)); 16 } 17