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      1 // RUN: %clang_cc1 -fsyntax-only %s -include %s -verify
      2 // RUN: %clang_cc1 -Wpedantic -fsyntax-only %s -include %s -verify -DWARN_PEDANTIC
      3 
      4 #ifndef enable_if_ext_included
      5 #define enable_if_ext_included
      6 
      7 #if !defined(WARN_PEDANTIC)
      8 // expected-no-diagnostics
      9 #endif
     10 
     11 __attribute__ (( enable_if(1, "") ))
     12 #if defined(WARN_PEDANTIC)
     13 // expected-warning@-2 {{'enable_if' is a clang extension}}
     14 #endif
     15 void f() { }
     16 
     17 __attribute__ (( __enable_if__(1, "") ))
     18 #if defined(WARN_PEDANTIC)
     19 // expected-warning@-2 {{'enable_if' is a clang extension}}
     20 #endif
     21 void g() { }
     22 
     23 __attribute__ (( enable_if(0, "") ))
     24 #if defined(WARN_PEDANTIC)
     25 // expected-warning@-2 {{'enable_if' is a clang extension}}
     26 #endif
     27 void h() { }
     28 
     29 __attribute__ (( __enable_if__(0, "") ))
     30 #if defined(WARN_PEDANTIC)
     31 // expected-warning@-2 {{'enable_if' is a clang extension}}
     32 #endif
     33 void i() { }
     34 
     35 #pragma clang system_header
     36 
     37 __attribute__ (( enable_if(1, "") ))
     38 void j() { }
     39 
     40 __attribute__ (( __enable_if__(1, "") ))
     41 void k() { }
     42 
     43 __attribute__ (( enable_if(0, "") ))
     44 void l() { }
     45 
     46 __attribute__ (( __enable_if__(0, "") ))
     47 void m() { }
     48 
     49 #endif
     50 
     51