| /* Negative test case for constant string layout. */ |
| /* Contributed by Ziemowit Laski <zlaski@apple.com>. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-fconstant-string-class=MyConstantString" } */ |
| /* { dg-options "-mno-constant-cfstrings -fconstant-string-class=MyConstantString" { target *-*-darwin* } } */ |
| |
| @interface MyBase { |
| char p; |
| } |
| @end |
| |
| @interface MyConstantString: MyBase { |
| union { |
| void *u; |
| unsigned char *c; |
| } _contents; |
| char _count; |
| } |
| @end |
| |
| /* The NeXT runtime initializes the 'isa' pointer of string constants at |
| compile time. */ |
| #ifdef __NEXT_RUNTIME__ |
| extern void *_MyConstantStringClassReference; |
| #endif |
| |
| MyConstantString *str = @"Hello"; /* { dg-error "interface .MyConstantString. does not have valid constant string layout" } */ |
