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883dbc43d9
member function" context notes to registering an entry on the context stack. Also reorder the steps within defining special members to be consistent. This has a few benefits: if multiple diagnostics are produced while checking such a member, the note is now attached to the first such diagnostic rather than the last, this prepares us for persisting these diagnostics between the point at which we require the implicit instantiation of a template and the point at which that instantiation is actually performed, and this fixes some cases where we would fail to produce a full note stack leading back to user code in the case of such a diagnostic. The reordering exposed a case where we could recursively attempt to define a defaulted destructor while we're already defining one (and other such cases also appear to be possible, with or without this change), so this change also reuses the "willHaveBody" flag on function declarations to track that we're in the middle of synthesizing a body for the function and bails out if we try to define a function that we're already defining. llvm-svn: 303930
211 lines
6.4 KiB
C++
211 lines
6.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -triple %itanium_abi_triple -verify %s
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// RUN: %clang_cc1 -fsyntax-only -triple %itanium_abi_triple -verify -std=c++98 %s
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// RUN: %clang_cc1 -fsyntax-only -triple %itanium_abi_triple -verify -std=c++11 %s
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// RUN: %clang_cc1 -fsyntax-only -triple %ms_abi_triple -DMSABI -verify %s
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// RUN: %clang_cc1 -fsyntax-only -triple %ms_abi_triple -DMSABI -verify -std=c++98 %s
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// RUN: %clang_cc1 -fsyntax-only -triple %ms_abi_triple -DMSABI -verify -std=c++11 %s
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// PR7800
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// The Microsoft ABI doesn't have the concept of key functions, so we have different
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// expectations about when functions are first required for that case.
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class NoDestroy { ~NoDestroy(); };
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#if __cplusplus <= 199711L
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// expected-note@-2 3 {{declared private here}}
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#ifdef MSABI
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// expected-note@-4 3 {{declared private here}}
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#endif
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#endif
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struct A {
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virtual ~A();
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#if __cplusplus >= 201103L
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// expected-note@-2 3 {{overridden virtual function is here}}
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#endif
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};
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struct B : public virtual A {
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#if __cplusplus >= 201103L
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// expected-error@-2 {{deleted function '~B' cannot override a non-deleted function}}
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// expected-note@-3 {{overridden virtual function is here}}
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#endif
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NoDestroy x;
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#if __cplusplus <= 199711L
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// expected-error@-2 {{field of type 'NoDestroy' has private destructor}}
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#ifdef MSABI
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// expected-error@-4 {{field of type 'NoDestroy' has private destructor}}
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#endif
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#else
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// expected-note@-7 {{destructor of 'B' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#ifdef MSABI
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// expected-note@-9 {{default constructor of 'B' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#endif
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#endif
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};
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struct D : public virtual B {
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#if __cplusplus <= 199711L
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#ifdef MSABI
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// expected-note@-3 {{implicit default constructor for 'B' first required here}}
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// expected-note@-4 {{implicit destructor for 'B' first required here}}
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#endif
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#else
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#ifdef MSABI
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// expected-note@-8 {{default constructor of 'D' is implicitly deleted because base class 'B' has a deleted default constructor}}
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#endif
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#endif
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virtual void foo();
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~D();
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#if __cplusplus >= 201103L
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//expected-error@-2 {{non-deleted function '~D' cannot override a deleted function}}
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#endif
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};
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#ifdef MSABI
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D d;
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#if __cplusplus <= 199711L
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// expected-note@-2 2{{implicit default constructor for 'D' first required here}}
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#else
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// expected-error@-4 {{call to implicitly-deleted default constructor of 'D'}}
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#endif
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#else
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void D::foo() {
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#if __cplusplus <= 199711L
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// expected-note@-2 {{implicit destructor for 'B' first required here}}
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#endif
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}
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#endif
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struct E : public virtual A {
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#if __cplusplus >= 201103L
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// expected-error@-2 {{deleted function '~E' cannot override a non-deleted function}}
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// expected-note@-3 {{overridden virtual function is here}}
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#endif
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NoDestroy x;
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#if __cplusplus <= 199711L
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// expected-error@-2 {{field of type 'NoDestroy' has private destructor}}
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#ifdef MSABI
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// expected-error@-4 {{field of type 'NoDestroy' has private destructor}}
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#endif
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#else
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// expected-note@-7 {{destructor of 'E' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#ifdef MSABI
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// expected-note@-9 {{default constructor of 'E' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#endif
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#endif
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};
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struct F : public E {
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#if __cplusplus <= 199711L
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// expected-note@-2 {{implicit destructor for 'E' first required here}}
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#ifdef MSABI
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// expected-note@-4 {{implicit default constructor for 'E' first required here}}
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#endif
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#else
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// expected-error@-7 {{non-deleted function '~F' cannot override a deleted function}}
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// expected-note@-8 {{while declaring the implicit destructor for 'F'}}
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// expected-note@-9 {{overridden virtual function is here}}
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#ifdef MSABI
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// expected-note@-11 {{default constructor of 'F' is implicitly deleted because base class 'E' has a deleted default constructor}}
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#endif
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#endif
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};
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struct G : public virtual F {
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#ifdef MSABI
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#if __cplusplus <= 199711L
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// expected-note@-3 {{implicit default constructor for 'F' first required here}}
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// expected-note@-4 {{implicit destructor for 'F' first required here}}
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#else
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// expected-note@-6 {{default constructor of 'G' is implicitly deleted because base class 'F' has a deleted default constructor}}
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#endif
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#endif
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virtual void foo();
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~G();
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#if __cplusplus >= 201103L
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//expected-error@-2 {{non-deleted function '~G' cannot override a deleted function}}
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#endif
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};
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#ifdef MSABI
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G g;
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#if __cplusplus <= 199711L
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// expected-note@-2 2{{implicit default constructor for 'G' first required here}}
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#else
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// expected-error@-4 {{call to implicitly-deleted default constructor of 'G'}}
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#endif
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#else
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void G::foo() {
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#if __cplusplus <= 199711L
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// expected-note@-2 {{implicit destructor for 'F' first required here}}
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#endif
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}
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#endif
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struct H : public virtual A {
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#if __cplusplus >= 201103L
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// expected-error@-2 {{deleted function '~H' cannot override a non-deleted function}}
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// expected-note@-3 {{overridden virtual function is here}}
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#endif
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NoDestroy x;
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#if __cplusplus <= 199711L
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// expected-error@-2 {{field of type 'NoDestroy' has private destructor}}
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#ifdef MSABI
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// expected-error@-4 {{field of type 'NoDestroy' has private destructor}}
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#endif
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#else
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// expected-note@-7 {{destructor of 'H' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#ifdef MSABI
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// expected-note@-9 {{default constructor of 'H' is implicitly deleted because field 'x' has an inaccessible destructor}}
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#endif
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#endif
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};
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struct I : public virtual H {
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#ifdef MSABI
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#if __cplusplus > 199711L
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// expected-note@-3 {{default constructor of 'I' is implicitly deleted because base class 'H' has a deleted default constructor}}
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#endif
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#endif
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~I();
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#if __cplusplus >= 201103L
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// expected-error@-2 {{non-deleted function '~I' cannot override a deleted function}}
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#endif
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};
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struct J : public I {
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#ifdef MSABI
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#if __cplusplus <= 199711L
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// expected-note@-3 {{implicit default constructor for 'H' first required here}}
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// expected-note@-4 {{implicit destructor for 'H' first required here}}
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#else
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// expected-note@-6 {{default constructor of 'J' is implicitly deleted because base class 'I' has a deleted default constructor}}
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#endif
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#endif
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virtual void foo();
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~J();
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};
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#ifdef MSABI
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J j;
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#if __cplusplus <= 199711L
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// expected-note@-2 2{{implicit default constructor for 'J' first required here}}
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#else
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// expected-error@-4 {{call to implicitly-deleted default constructor of 'J'}}
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#endif
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#else
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void J::foo() {
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#if __cplusplus <= 199711L
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// expected-note@-2 {{implicit destructor for 'H' first required here}}
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#endif
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}
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#endif
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