53 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3// Check that "::new" and "::delete" in member initializer list are diagnosed4// correctly and don't lead to infinite loop on parsing.5 6// Error: X() (initializer on non-constructor), "::new" is skipped.7void f1() : X() ::new{}; // expected-error{{only constructors take base initializers}}8 9// Errors: first "::delete" and initializer on non-constructor, others skipped.10void f2() : ::delete, ::new, X() ::new ::delete{} // expected-error{{expected class member or base class name}}11 // expected-error@-1{{only constructors take base initializers}}12 13// Errors: the '::' token, "::delete" and initializer on non-constructor, others skipped.14void f3() : ::, ::delete X(), ::new {}; // expected-error2{{expected class member or base class name}}15 // expected-error@-1{{only constructors take base initializers}}16 17template <class T>18struct Base1 {19 T x1;20 Base1(T a1) : x1(a1) {}21};22 23template <class T>24struct Base2 {25 T x2;26 Base2(T a2) : x2(a2) {}27};28 29struct S : public Base1<int>, public Base2<float> {30 int x;31 32 // 1-st initializer is correct (just missing ','), 2-nd incorrect, skip other.33 S() : ::Base1<int>(0) ::new, ::Base2<float>(1.0) ::delete x(2) {} // expected-error{{expected class member or base class name}}34 // expected-error@-1{{missing ',' between base or member initializers}}35 36 // 1-st and 2-nd are correct, errors: '::' and "::new", others skipped.37 S(int a) : Base1<int>(a), ::Base2<float>(1.0), ::, // expected-error{{expected class member or base class name}}38 ::new, ! ::delete, ::Base2<() x(3) {} // expected-error{{expected class member or base class name}}39 40 // All initializers are correct, nothing to skip, diagnose 2 missing commas.41 S(const S &) : Base1<int>(0) ::Base2<float>(1.0) x(2) {} // expected-error2{{missing ',' between base or member initializers}}42};43 44namespace GH113722 {45struct S {46 void m(int x = 0; // expected-error {{unexpected end of default argument expression}} \47 expected-note {{to match this '('}}48 #pragma unused(x) // expected-error {{expected ')'}} \49 expected-error {{expected ';' at end of declaration list}}50 } // expected-error {{expected ';' after struct}}51};52} // expected-error {{extraneous closing brace ('}')}}53