/* Positive test case for constant string layout. */ /* Contributed by Ziemowit Laski . */ /* { dg-do compile } */ /* { dg-options "-fconstant-string-class=MyConstantString" } */ /* { dg-options "-mno-constant-cfstrings -fconstant-string-class=MyConstantString" { target *-*-darwin* } } */ @interface MyBase { const char *p; } @end @interface MyConstantString: MyBase { union { void *u; unsigned char *c; } _contents; unsigned int _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";