clang/test/Sema/asm-label.c

// RUN: %clang_cc1 -verify %s

void f();
void f() __asm__("fish");
void g();

void f() {
  g();
}
void g() __asm__("gold");  // expected-error{{cannot apply asm label to function after its first use}}

void h() __asm__("hose");  // expected-note{{previous declaration is here}}
void h() __asm__("hair");  // expected-error{{conflicting asm label}}

int x;
int x __asm__("xenon");
int y;

int test() { return y; }

int y __asm__("yacht");  // expected-error{{cannot apply asm label to variable after its first use}}

int z __asm__("zebra");  // expected-note{{previous declaration is here}}
int z __asm__("zooms");  // expected-error{{conflicting asm label}}


// No diagnostics on the following.
void __real_readlink() __asm("readlink");
void readlink() __asm("__protected_readlink");
void readlink() { __real_readlink(); }