llvm-project/clang/test/Sema/offsetof.c

24 lines
558 B
C

// RUN: clang -fsyntax-only -verify %s
#define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
typedef struct P { int i; float f; } PT;
struct external_sun3_core
{
unsigned c_regs;
PT X[100];
};
void swap()
{
int x;
x = offsetof(struct external_sun3_core, c_regs);
x = __builtin_offsetof(struct external_sun3_core, X[42].f);
x = __builtin_offsetof(struct external_sun3_core, X[42].f2); // expected-error {{no member named 'f2'}}
x = __builtin_offsetof(int, X[42].f2); // expected-error {{offsetof requires struct}}
}