1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 int var __attribute__((internal_linkage)); 4 int var2 __attribute__((internal_linkage,common)); // expected-error{{'common' and 'internal_linkage' attributes are not compatible}} \ 5 // expected-note{{conflicting attribute is here}} 6 int var3 __attribute__((common,internal_linkage)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 7 // expected-note{{conflicting attribute is here}} 8 9 int var4 __attribute__((common)); // expected-note{{previous declaration is here}} expected-note{{conflicting attribute is here}} 10 int var4 __attribute__((internal_linkage)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 11 // expected-error{{'internal_linkage' attribute does not appear on the first declaration}} 12 13 int var5 __attribute__((internal_linkage)); // expected-note{{conflicting attribute is here}} 14 int var5 __attribute__((common)); // expected-error{{'common' and 'internal_linkage' attributes are not compatible}} 15 f(void)16__attribute__((internal_linkage)) int f(void) {} 17 struct __attribute__((internal_linkage)) S { // expected-warning{{'internal_linkage' attribute only applies to variables, functions, and classes}} 18 }; 19 g(void)20__attribute__((internal_linkage("foo"))) int g(void) {} // expected-error{{'internal_linkage' attribute takes no arguments}} 21 22 int var6 [[clang::internal_linkage]]; 23 int var7 [[clang::internal_linkage]] __attribute__((common)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 24 // expected-note{{conflicting attribute is here}} 25 __attribute__((common)) int var8 [[clang::internal_linkage]]; // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 26 // expected-note{{conflicting attribute is here}} 27