clang/test/SemaCXX/attr-abi-tag-syntax.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
   2
   3 namespace N1 {
   4
   5 namespace __attribute__((__abi_tag__)) {}
   6 // expected-warning@-1 {{'abi_tag' attribute on non-inline namespace ignored}}
   7
   8 namespace N __attribute__((__abi_tag__)) {}
   9 // expected-warning@-1 {{'abi_tag' attribute on non-inline namespace ignored}}
  10
  11 } // namespace N1
  12
  13 namespace N2 {
  14
  15 inline namespace __attribute__((__abi_tag__)) {}
  16 // expected-warning@-1 {{'abi_tag' attribute on anonymous namespace ignored}}
  17
  18 inline namespace N __attribute__((__abi_tag__)) {}
  19
  20 } // namespcace N2
  21
  22 __attribute__((abi_tag("B", "A"))) extern int a1;
  23
  24 __attribute__((abi_tag("A", "B"))) extern int a1;
  25 // expected-note@-1 {{previous declaration is here}}
  26
  27 __attribute__((abi_tag("A", "C"))) extern int a1;
  28 // expected-error@-1 {{'abi_tag' C missing in original declaration}}
  29
  30 extern int a2;
  31 // expected-note@-1 {{previous declaration is here}}
  32 __attribute__((abi_tag("A")))extern int a2;
  33 // expected-error@-1 {{cannot add 'abi_tag' attribute in a redeclaration}}