| Richard Smith | 0635aa7 | 2012-02-22 06:49:09 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
| 2 | |
| 3 | struct S { S(int); operator bool(); }; |
| 4 | |
| 5 | void f() { |
| 6 | int a; |
| 7 | typedef int n; |
| 8 | |
| 9 | while (a) ; |
| 10 | while (int x) ; // expected-error {{variable declaration in condition must have an initializer}} |
| 11 | while (float x = 0) ; |
| 12 | if (const int x = a) ; // expected-warning{{empty body}} expected-note{{put the semicolon on a separate line to silence this warning}} |
| 13 | switch (int x = a+10) {} |
| 14 | for (; int x = ++a; ) ; |
| 15 | |
| 16 | if (S(a)) {} // ok |
| 17 | if (S(a) = 0) {} // ok |
| 18 | if (S(a) == 0) {} // ok |
| 19 | |
| 20 | if (S(n)) {} // expected-error {{unexpected type name 'n': expected expression}} |
| 21 | if (S(n) = 0) {} // ok |
| 22 | if (S(n) == 0) {} // expected-error {{unexpected type name 'n': expected expression}} |
| 23 | |
| 24 | if (S b(a)) {} // expected-error {{variable declaration in condition cannot have a parenthesized initializer}} |
| 25 | |
| 26 | if (S b(n)) {} // expected-error {{a function type is not allowed here}} expected-error {{must have an initializer}} |
| 27 | if (S b(n) = 0) {} // expected-error {{a function type is not allowed here}} |
| 28 | if (S b(n) == 0) {} // expected-error {{a function type is not allowed here}} expected-error {{did you mean '='?}} |
| 29 | |
| 30 | // FIXME: this is legal, and incorrectly rejected, because tentative parsing |
| 31 | // does not yet know about braced function-style casts. |
| 32 | if (S{a}) {} // unexpected-error{{unqualified-id}} |
| 33 | |
| 34 | if (S a{a}) {} // ok |
| 35 | if (S a = {a}) {} // ok |
| 36 | if (S a == {a}) {} // expected-error {{did you mean '='?}} |
| 37 | } |