1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc struct S { S(int); operator bool(); }; 4*f4a2713aSLionel Sambuc f()5*f4a2713aSLionel Sambucvoid f() { 6*f4a2713aSLionel Sambuc int a; 7*f4a2713aSLionel Sambuc while (a) ; 8*f4a2713aSLionel Sambuc while (int x) ; // expected-error {{variable declaration in condition must have an initializer}} 9*f4a2713aSLionel Sambuc while (float x = 0) ; 10*f4a2713aSLionel Sambuc if (const int x = a) ; // expected-warning{{empty body}} expected-note{{put the semicolon on a separate line to silence this warning}} 11*f4a2713aSLionel Sambuc switch (int x = a+10) {} 12*f4a2713aSLionel Sambuc for (; int x = ++a; ) ; 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc if (S a(42)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}} 15*f4a2713aSLionel Sambuc } 16