test/Parser/cxx-condition.cpp


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// RUN: %clang_cc1 -fsyntax-only -verify %s

struct S { S(int); operator bool(); };

void f() {
  int a;
  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(42)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}}
}