xref: /aosp_15_r20/external/clang/test/Sema/internal_linkage.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li int var __attribute__((internal_linkage));
4*67e74705SXin Li int var2 __attribute__((internal_linkage,common)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}} \
5*67e74705SXin Li                                                    // expected-note{{conflicting attribute is here}}
6*67e74705SXin Li int var3 __attribute__((common,internal_linkage)); // expected-error{{'common' and 'internal_linkage' attributes are not compatible}} \
7*67e74705SXin Li                                                    // expected-note{{conflicting attribute is here}}
8*67e74705SXin Li 
9*67e74705SXin Li int var4 __attribute__((common)); // expected-error{{'common' and 'internal_linkage' attributes are not compatible}} \
10*67e74705SXin Li // expected-note{{previous definition is here}}
11*67e74705SXin Li int var4 __attribute__((internal_linkage)); // expected-note{{conflicting attribute is here}} \
12*67e74705SXin Li // expected-error{{'internal_linkage' attribute does not appear on the first declaration of 'var4'}}
13*67e74705SXin Li 
14*67e74705SXin Li int var5 __attribute__((internal_linkage)); // expected-error{{'internal_linkage' and 'common' attributes are not compatible}}
15*67e74705SXin Li int var5 __attribute__((common)); // expected-note{{conflicting attribute is here}}
16*67e74705SXin Li 
f()17*67e74705SXin Li __attribute__((internal_linkage)) int f() {}
18*67e74705SXin Li struct __attribute__((internal_linkage)) S { // expected-warning{{'internal_linkage' attribute only applies to variables and functions}}
19*67e74705SXin Li };
20*67e74705SXin Li 
g()21*67e74705SXin Li __attribute__((internal_linkage("foo"))) int g() {} // expected-error{{'internal_linkage' attribute takes no arguments}}
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