clang/test/Sema/builtin-redecl.cpp

   1 // RUN: %clang_cc1 %s -fsyntax-only -verify
   2 // RUN: %clang_cc1 %s -fsyntax-only -verify -x c
   3 // RUN: %clang_cc1 %s -fsyntax-only -verify -fms-compatibility
   4
   5 // Redeclaring library builtins is OK.
   6 void exit(int);
   7
   8 // expected-error@+2 {{cannot redeclare builtin function '__builtin_va_copy'}}
   9 // expected-note@+1 {{'__builtin_va_copy' is a builtin with type}}
  10 void __builtin_va_copy(double d);
  11
  12 // expected-error@+2 {{cannot redeclare builtin function '__builtin_va_end'}}
  13 // expected-note@+1 {{'__builtin_va_end' is a builtin with type}}
  14 void __builtin_va_end(__builtin_va_list);
  15 // RUN: %clang_cc1 %s -fsyntax-only -verify
  16 // RUN: %clang_cc1 %s -fsyntax-only -verify -x c
  17
  18 void __va_start(__builtin_va_list*, ...);