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// RUN: clang-cc -fsyntax-only -verify %s 

// PR5521
struct A { void a(const char*,...) __attribute((format(printf,2,3))); };
void b(A x) {
  x.a("%d", 3);
}
struct X { void a(const char*,...) __attribute((format(printf,1,3))); }; // expected-error {{format argument not a string type}}