1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li 3*67e74705SXin Li struct S { S(int); operator bool(); }; 4*67e74705SXin Li f()5*67e74705SXin Livoid f() { 6*67e74705SXin Li int a; 7*67e74705SXin Li while (a) ; 8*67e74705SXin Li while (int x) ; // expected-error {{variable declaration in condition must have an initializer}} 9*67e74705SXin Li while (float x = 0) ; 10*67e74705SXin Li if (const int x = a) ; // expected-warning{{empty body}} expected-note{{put the semicolon on a separate line to silence this warning}} 11*67e74705SXin Li switch (int x = a+10) {} 12*67e74705SXin Li for (; int x = ++a; ) ; 13*67e74705SXin Li 14*67e74705SXin Li if (S a(42)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}} 15*67e74705SXin Li } 16