1 // RUN: %clang_cc1 -fsyntax-only -verify -fdouble-square-bracket-attributes %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-error{{'common' and 'internal_linkage' attributes are not compatible}} \ 10 // expected-note{{previous definition is here}} 11 int var4 __attribute__((internal_linkage)); // expected-note{{conflicting attribute is here}} \ 12 // expected-error{{'internal_linkage' attribute does not appear on the first declaration of 'var4'}} 13 14 int var5 __attribute__((internal_linkage)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} 15 int var5 __attribute__((common)); // expected-note{{conflicting attribute is here}} 16 f()17__attribute__((internal_linkage)) int f() {} 18 struct __attribute__((internal_linkage)) S { // expected-warning{{'internal_linkage' attribute only applies to variables, functions, and classes}} 19 }; 20 g()21__attribute__((internal_linkage("foo"))) int g() {} // expected-error{{'internal_linkage' attribute takes no arguments}} 22 23 int var6 [[clang::internal_linkage]]; 24 int var7 [[clang::internal_linkage]] __attribute__((common)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 25 // expected-note{{conflicting attribute is here}} 26 __attribute__((common)) int var8 [[clang::internal_linkage]]; // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \ 27 // expected-note{{conflicting attribute is here}} 28