| /* Test cases of structures with volatile fields declared register: |
| should be allowed unless register name given but explicitly taking |
| the address forbidden. */ |
| /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ |
| |
| /* { dg-do compile } */ |
| |
| struct S { volatile int field; }; |
| |
| void |
| f (void) |
| { |
| register struct S a; |
| register struct S b[2]; |
| register struct S c __asm__("nosuchreg"); /* { dg-error "object with volatile field" "explicit reg name" } */ |
| &a; /* { dg-warning "address of register" "explicit address" } */ |
| b; /* { dg-warning "address of register" "implicit address" } */ |
| } |
