1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -verify -fsyntax-only %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc extern int g0 __attribute__((weak)); 4*f4a2713aSLionel Sambuc extern int g1 __attribute__((weak_import)); 5*f4a2713aSLionel Sambuc int g2 __attribute__((weak)); 6*f4a2713aSLionel Sambuc int g3 __attribute__((weak_import)); // expected-warning {{'weak_import' attribute cannot be specified on a definition}} 7*f4a2713aSLionel Sambuc int __attribute__((weak_import)) g4(void); g5(void)8*f4a2713aSLionel Sambucvoid __attribute__((weak_import)) g5(void) { 9*f4a2713aSLionel Sambuc } 10*f4a2713aSLionel Sambuc 11*f4a2713aSLionel Sambuc struct __attribute__((weak)) s0 {}; // expected-warning {{'weak' attribute only applies to variables and functions}} 12*f4a2713aSLionel Sambuc struct __attribute__((weak_import)) s1 {}; // expected-warning {{'weak_import' attribute only applies to variables and functions}} 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc static int x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}} 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc // rdar://9538608 17*f4a2713aSLionel Sambuc int C; // expected-note {{previous definition is here}} 18*f4a2713aSLionel Sambuc extern int C __attribute__((weak_import)); // expected-warning {{an already-declared variable is made a weak_import declaration}} 19*f4a2713aSLionel Sambuc 20*f4a2713aSLionel Sambuc static int pr14946_x; 21*f4a2713aSLionel Sambuc extern int pr14946_x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}} 22*f4a2713aSLionel Sambuc 23*f4a2713aSLionel Sambuc static void pr14946_f(); 24*f4a2713aSLionel Sambuc void pr14946_f() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}} 25