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<p class="MsoNormal"><span style="font-family:Consolas">Hi Everyone,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">I am back again with another Lit test C++11 patch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">This is the 7th patch.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">There are 13 tests in total.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CXX/class.access/class.access.dcl/p1.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Access declarations are deprecated in C++11.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> As a result, there are 4 types of diagnostics changes:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> For simple access declarations, there is a change in diagnostics.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: access declarations are deprecated; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: ISO C++11 does not allow access declarations; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> For Self-referential access declarations, there is also an additional error message.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: access declarations are deprecated; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: ISO C++11 does not allow access declarations; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: using declaration refers to its own class<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> For an access declaration of a non-base method, there is a different additional error message.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: access declarations are deprecated; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: ISO C++11 does not allow access declarations; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: using declaration refers into 'Subclass::', which is not a base class of 'C'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> For self-referential access declaration with local declaration, there is the additional error message but one less note message.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: access declarations are deprecated; use using declarations instead [-Wdeprecated]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: error: using declaration refers to its own class<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: note: target of using declaration<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: ISO C++11 does not allow access declarations; use using declarations instead<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: using declaration refers to its own class<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CXX/temp/temp.spec/temp.expl.spec/p2.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Guard multiple instances of the following diagnostics to C++98.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: first declaration of function template specialization of 'f0' outside namespace 'N0' is a C++11 extension<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: note: explicitly specialized declaration is here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CXX/temp/temp.spec/temp.expl.spec/p3.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Guard one instance of the following diagnostics to C++98.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: first declaration of class template specialization of 'X' outside namespace 'N' is a C++11 extension<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: note: explicitly specialized declaration is here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CXX/temp/temp.spec/temp.explicit/p2.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CXX/temp/temp.spec/temp.explicit/p5.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> In C++98 with -Wc++11-compat, Out-of-scope explicit instantiations of template is a Warning.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> In C++11, it is now an Error.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: explicit instantiation of 'N::f1' must occur in namespace 'N'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: explicit instantiation of 'N::f1' must occur in namespace 'N'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">CodeGenCXX/debug-info-static-member.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> In C++11, replace “const” with “constexpr” for in-class static initializer of non-integral type.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Otherwise compiler would complain:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: in-class initializer for static data member of type 'const float' requires 'constexpr' specifier<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaCXX/dcl_init_aggr.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Diagnostic change due to initializer list<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: error: non-aggregate type 'NonAggregate' cannot be initialized with an initializer list<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error no matching constructor for initialization of 'NonAggregate'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit copy constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit move constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Diagnostic Change<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: conversion from string literal to 'char *' is deprecated<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: ISO C++11 does not allow conversion from string literal to 'char *'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Addition C++11 move constructor diagnostics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: note: candidate constructor (the implicit move constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> The next 2 lines caused a lot of diff.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Source: TooFewError too_few_error = { 1 }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: error: no matching constructor for initialization of 'NoDefaultConstructor'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor not viable: requires 1 argument, but 0 were provided<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit copy constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: in implicit initialization of field 'nodef' with omitted initializer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> error: implicit default constructor for 'TooFewError' must explicitly initialize<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> the member 'nodef' which does not have a default constructor<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: member is declared here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: 'NoDefaultConstructor' declared here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: no matching constructor for initialization of 'NoDefaultConstructor'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor not viable: requires 1 argument, but 0 were provided<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit copy constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit move constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: in implicit initialization of field 'nodef' with omitted initializer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Source: TooFewError too_few_okay2[2] = { 1, 1 };<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: note: implicit default constructor for 'TooFewError' first required here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: 'NoDefaultConstructor' declared her<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: no matching constructor for initialization of 'NoDefaultConstructor'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor not viable: requires 1 argument, but 0 were provided<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit copy constructor) not viable: requires 1 argument, but 0 were provided<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: candidate constructor (the implicit move constructor) not viable: requires 1 argument, but 0 were provided<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: in implicit initialization of field 'nodef' with omitted initializer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: in implicit initialization of array element 1 with omitted initializer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaCXX/type-convert-construct.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> *Note: Run line used “–std=gnu++XX” instead of “c++” due to use of “typeof”.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> New C++11 error message for int and pointer comparison<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: comparison between pointer and integer ('T' (aka 'int') and 'int *')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Change in diagnostics:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: Warning: conversion from string literal to 'char *' is deprecated<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: Warning: ISO C++11 does not allow conversion from string literal to 'char *'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: Warning: conversion from string literal to 'wchar_t *' is deprecated<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: Warning: ISO C++11 does not allow conversion from string literal to 'wchar_t<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaCXX/vararg-non-pod.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Clang in C++11 now allows non-POD type to be passed via variadic argument.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> However, Clang still does not allow non-trivial type to be passed
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> (according C++11 standard 5.2.2\7 [expr.call] this behavior is “implementation defined”)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Restrict the following warnings on non-POD types to C++98/03<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: cannot pass object of non-POD type 'C' through variadic function; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: cannot pass object of non-POD type 'C' through variadic method; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: cannot pass object of non-POD type 'C' through variadic block; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: cannot pass object of non-POD type 'C' through variadic constructor; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Change in diagnostics for non-trivial type<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: cannot pass object of non-POD type 'Base' through variadic function; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: warning: cannot pass object of non-trivial type 'Base' through variadic function; call will abort at runtime<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaTemplate/class-template-spec.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Restrict the following diagnostics to C++98/03<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: first declaration of class template specialization of 'B' outside namespace 'N' is a C++11 extension
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: explicitly specialized declaration is here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: Warning: variadic templates are a C++11 extension<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: Warning: alias declarations are a C++11 extension<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaTemplate/instantiate-cast.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> When there is no matching conversion, C++98 tries copy and default constructors
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> whereas C++11 tries copy, move and default constructors.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Therefore, there is one additional move constructor Note message in C++11<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: note: candidate constructor (the implicit copy constructor) not viable:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> no known conversion from 'int' to 'const A' for 1st argument<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaTemplate/instantiate-expr-4.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Added C++11 specific diagnostics
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> 3 instances of move constructor diagnostics
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: candidate constructor (the implicit move constructor) not viable<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> 1 instance of initializer list narrowing diagnostics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: error: type 'float' cannot be narrowed to 'int' in initializer list<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: in instantiation of member function 'InitList1<int [1], float>::f' requested here<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> note: insert an explicit cast to silence this issue<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">SemaTemplate/instantiate-member-class.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Guard C++98/03 Specific warning<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: Warning: alias declarations are a C++11 extension<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> Change in diagnostics, C++98/03 allows for ‘0’ to null pointer conversion during initialization, C++11 does not.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++98: warning: expression which evaluates to zero treated as a null pointer constant of type 'int *'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"> C++11: Error: cannot initialize a variable of type 'int *' with an rvalue of type 'int'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">Charles Li<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><o:p> </o:p></span></p>
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