8ce732b46f
template specialization if there is no matching non-template function. This exposed a couple of related bugs: - we would sometimes substitute into a friend template instead of a suitable non-friend declaration; this would now crash because we'd decide the specialization of the friend is a redeclaration of itself - ADL failed to properly handle the case where an invisible local extern declaration redeclares an invisible friend Both are fixed herein: in particular, we now never make invisible friends or local extern declarations visible to name lookup unless they are the only declaration of the entity. (We already mostly did this for local extern declarations.) llvm-svn: 350505
100 lines
2.3 KiB
C++
100 lines
2.3 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// rdar://problem/8540720
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namespace test0 {
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void foo() {
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void bar();
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class A {
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friend void bar();
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};
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}
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}
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namespace test1 {
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void foo() {
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class A {
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friend void bar(); // expected-error {{no matching function found in local scope}}
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};
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}
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}
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namespace test2 {
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void bar(); // expected-note 3{{'::test2::bar' declared here}}
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void foo() { // expected-note 2{{'::test2::foo' declared here}}
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struct S1 {
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friend void foo(); // expected-error {{no matching function 'foo' found in local scope; did you mean '::test2::foo'?}}
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};
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void foo(); // expected-note {{local declaration nearly matches}}
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struct S2 {
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friend void foo();
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};
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{
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struct S2 {
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friend void foo(); // expected-error {{no matching function found in local scope}}
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};
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}
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{
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int foo;
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struct S3 {
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friend void foo(); // expected-error {{no matching function 'foo' found in local scope; did you mean '::test2::foo'?}}
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};
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}
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struct S4 {
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friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
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};
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{ void bar(); }
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struct S5 {
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friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
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};
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{
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void bar();
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struct S6 {
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friend void bar();
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};
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}
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struct S7 {
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void bar() { Inner::f(); }
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struct Inner {
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friend void bar();
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static void f() {}
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};
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};
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void bar(); // expected-note {{'bar' declared here}}
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struct S8 {
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struct Inner {
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friend void bar();
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};
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};
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struct S9 {
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struct Inner {
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friend void baz(); // expected-error {{no matching function 'baz' found in local scope; did you mean 'bar'?}}
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};
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};
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struct S10 {
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void quux() {}
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void foo() {
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struct Inner1 {
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friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean '::test2::bar'?}}
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friend void quux(); // expected-error {{no matching function found in local scope}}
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};
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void bar();
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struct Inner2 {
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friend void bar();
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};
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}
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};
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}
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}
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