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 
whatever()18 void whatever() {}
19