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      1 // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
      2 
      3 // The preprocessor shouldn't warn about extensions within macro bodies that
      4 // aren't expanded.
      5 #define TY typeof
      6 #define TY1 typeof(1)
      7 
      8 // But we should warn here
      9 TY1 x; // expected-warning {{extension}}
     10 TY(1) x; // FIXME: And we should warn here
     11 
     12 // Note: this warning intentionally doesn't trigger on keywords like
     13 // __attribute; the standard allows implementation-defined extensions
     14 // prefixed with "__".
     15 // Current list of keywords this can trigger on:
     16 // inline, restrict, asm, typeof, _asm
     17 
     18 void whatever() {}
     19