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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/g++.dg/tc1/dr147.C | |
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Diffstat (limited to 'gcc/testsuite/g++.dg/tc1/dr147.C')
-rw-r--r-- | gcc/testsuite/g++.dg/tc1/dr147.C | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tc1/dr147.C b/gcc/testsuite/g++.dg/tc1/dr147.C new file mode 100644 index 000000000..6799b7dcc --- /dev/null +++ b/gcc/testsuite/g++.dg/tc1/dr147.C @@ -0,0 +1,66 @@ +// { dg-do compile } +// Origin: Giovanni Bajo <giovannibajo at gcc dot gnu dot org> +// DR147: Naming the constructor (PR 11764) + +namespace N1 { + +struct A { A(); void f(); }; +struct B: public A { B(); }; + +A::A() { } +B::B() { } + +B::A ba; +A::A a; // { dg-error "constructor" "the injected-class-name can never be found through qualified lookup" } + +void A::f() +{ + A::A(); // { dg-message "::A" "c++/42415" } +} + +void f() +{ + A::A a; // { dg-error "constructor" } +} // { dg-error "" "" { target *-*-* } 23 } error cascade +} + +namespace N2 { + +// This is nasty: if we allowed the injected-class-name to be looked as a +// qualified type, then the following code would be well-formed. Basically +// the last line is defining the static member (with redundant parenthesis). +// Instead, it should be rejected as a malformed constructor declaration. + +template <class T> struct A { + template <class T2> A(T2); + static A x; +}; +template<> template <> A<char>::A<char>(char); +template<> A<int>::A<int>(A<int>::x); // { dg-error "" "this is an invalid declaration of the constructor" } + +} + +// But DR 318 says that in situations where a type is syntactically +// required, lookup finds it. + +struct C +{ + C(); + typedef int T; +}; +struct C::C c; +C::C::T t; +struct D: C::C +{ + D(): C::C() { } +}; + +// And if lookup doesn't find the injected-class-name, we aren't naming the +// constructor (c++/44401). + +struct E +{ + int E; +}; + +int E::*p = &E::E; |