cxx-condition.cpp 549 B

123456789101112131415
  1. // RUN: %clang_cc1 -fsyntax-only -verify %s
  2. struct S { S(int); operator bool(); };
  3. void f() {
  4. int a;
  5. while (a) ;
  6. while (int x) ; // expected-error {{variable declaration in condition must have an initializer}}
  7. while (float x = 0) ;
  8. if (const int x = a) ; // expected-warning{{empty body}} expected-note{{put the semicolon on a separate line to silence this warning}}
  9. switch (int x = a+10) {}
  10. for (; int x = ++a; ) ;
  11. if (S a(42)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}}
  12. }