clang/test/Preprocessor/Inputs/pragma_sysheader.h

   1 #if defined(CLANG)
   2 #pragma clang system_header
   3 // expected-no-diagnostics
   4 #elif defined(GCC)
   5 #pragma GCC system_header
   6 // expected-no-diagnostics
   7 #elif defined(MS)
   8 #pragma system_header
   9 // expected-no-diagnostics
  10 #else
  11 // expected-warning@+1{{unknown pragma ignored}}
  12 #pragma system_header
  13
  14 // expected-note@+4{{previous definition is here}}
  15 // expected-warning@+4{{redefinition of typedef 'x' is a C11 feature}}
  16 #endif
  17
  18 typedef int x;
  19 typedef int x;