clang/test/CXX/dcl.dcl/dcl.spec/dcl.stc/p2.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
   3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   4
   5 // The auto or register specifiers can be applied only to names of objects
   6 // declared in a block (6.3) or to function parameters (8.4).
   7
   8 auto int ao; // expected-error {{illegal storage class on file-scoped variable}}
   9 #if __cplusplus >= 201103L // C++11 or later
  10 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  11 #endif
  12
  13 auto void af(); // expected-error {{illegal storage class on function}}
  14 #if __cplusplus >= 201103L // C++11 or later
  15 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  16 #endif
  17
  18 register int ro; // expected-error {{illegal storage class on file-scoped variable}}
  19 #if __cplusplus >= 201703L
  20 // expected-error@-2 {{ISO C++17 does not allow 'register' storage class specifier}}
  21 #elif __cplusplus >= 201103L
  22 // expected-warning@-4 {{'register' storage class specifier is deprecated}}
  23 #endif
  24
  25 register void rf(); // expected-error {{illegal storage class on function}}
  26
  27 struct S {
  28   auto int ao; // expected-error {{storage class specified for a member declaration}}
  29 #if __cplusplus >= 201103L // C++11 or later
  30 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  31 #endif
  32   auto void af(); // expected-error {{storage class specified for a member declaration}}
  33 #if __cplusplus >= 201103L // C++11 or later
  34 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  35 #endif
  36
  37   register int ro; // expected-error {{storage class specified for a member declaration}}
  38   register void rf(); // expected-error {{storage class specified for a member declaration}}
  39 };
  40
  41 void foo(auto int ap, register int rp) {
  42 #if __cplusplus >= 201703L
  43 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  44 // expected-error@-3 {{ISO C++17 does not allow 'register' storage class specifier}}
  45 #elif __cplusplus >= 201103L
  46 // expected-warning@-5 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  47 // expected-warning@-6 {{'register' storage class specifier is deprecated}}
  48 #endif
  49   auto int abo;
  50 #if __cplusplus >= 201103L // C++11 or later
  51 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  52 #endif
  53   auto void abf(); // expected-error {{illegal storage class on function}}
  54 #if __cplusplus >= 201103L // C++11 or later
  55 // expected-warning@-2 {{'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases}}
  56 #endif
  57
  58   register int rbo;
  59 #if __cplusplus >= 201703L
  60 // expected-error@-2 {{ISO C++17 does not allow 'register' storage class specifier}}
  61 #elif __cplusplus >= 201103L
  62 // expected-warning@-4 {{'register' storage class specifier is deprecated}}
  63 #endif
  64
  65   register void rbf(); // expected-error {{illegal storage class on function}}
  66 }