test/Sema/c11-typedef-redef.c


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// RUN: %clang_cc1 -std=c11 %s -verify

typedef int type;
typedef type type;
typedef int type;

void f(int N) {
  typedef int type2;
  typedef type type2;
  typedef int type2;

  typedef int vla[N]; // expected-note{{previous definition is here}}
  typedef int vla[N]; // expected-error{{redefinition of typedef for variably-modified type 'int [N]'}}

  typedef int vla2[N];
  typedef vla2 vla3; // expected-note{{previous definition is here}}
  typedef vla2 vla3; // expected-error{{redefinition of typedef for variably-modified type 'vla2' (aka 'int [N]')}}
}