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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
struct S { S(int); operator bool(); };
void f() {
int a;
typedef int n;
while (a) ;
while (int x) ; // expected-error {{variable declaration in condition must have an initializer}}
while (float x = 0) ;
if (const int x = a) ; // expected-warning{{empty body}} expected-note{{put the semicolon on a separate line to silence this warning}}
switch (int x = a+10) {}
for (; int x = ++a; ) ;
if (S(a)) {} // ok
if (S(a) = 0) {} // expected-warning {{redundant parentheses}} expected-note 2{{}}
if (S(a) == 0) {} // ok
if (S(n)) {} // expected-error {{unexpected type name 'n': expected expression}}
if (S(n) = 0) {} // expected-warning {{redundant parentheses}} expected-note 2{{}}
if (S(n) == 0) {} // expected-error {{unexpected type name 'n': expected expression}}
if (S b(a)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}}
if (S b(n)) {} // expected-error {{a function type is not allowed here}}
if (S b(n) = 0) {} // expected-error {{a function type is not allowed here}}
if (S b(n) == 0) {} // expected-error {{a function type is not allowed here}}
S s(a);
if (S{s}) {} // ok
if (S a{s}) {} // ok
if (S a = {s}) {} // ok
if (S a == {s}) {} // expected-error {{did you mean '='?}}
if (S(b){a}) {} // ok
if (S(b) = {a}) {} // ok
}
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