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Reject trailing return type for an operator auto(). 

* decl.c (grokdeclarator): Reject trailing return types for
	all conversion operators, don't handle conversion operators
	in the previous checks that deal with auto.

From-SVN: r222248
This commit is contained in:
Ville Voutilainen 2015-04-20 23:44:25 +03:00 committed by Jason Merrill
parent cb864fbc7e
commit 0cfabb3780
3 changed files with 14 additions and 4 deletions
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7
gcc/cp/ChangeLog
View File

@ -1,3 +1,10 @@
2015-04-20 Ville Voutilainen <ville.voutilainen@gmail.com>
Reject trailing return type for an operator auto().
* decl.c (grokdeclarator): Reject trailing return types for
all conversion operators, don't handle conversion operators
in the previous checks that deal with auto.
2015-04-20 Ilya Verbin <ilya.verbin@intel.com>
* parser.c (cp_parser_omp_target_update): Add missed %> to error_at ().

7
gcc/cp/decl.c
View File

@ -9782,7 +9782,7 @@ grokdeclarator (const cp_declarator *declarator,
virtualp = false;
}
}
else if (!is_auto (type))
else if (!is_auto (type) && sfk != sfk_conversion)
{
error ("%qs function with trailing return type has"
" %qT as its type rather than plain %<auto%>",
@ -9790,7 +9790,8 @@ grokdeclarator (const cp_declarator *declarator,
return error_mark_node;
}
}
else if (declarator->u.function.late_return_type)
else if (declarator->u.function.late_return_type
&& sfk != sfk_conversion)
{
if (cxx_dialect < cxx11)
/* Not using maybe_warn_cpp0x because this should
@ -9899,6 +9900,8 @@ grokdeclarator (const cp_declarator *declarator,
maybe_warn_cpp0x (CPP0X_EXPLICIT_CONVERSION);
explicitp = 2;
}
if (late_return_type_p)
error ("a conversion function cannot have a trailing return type");
}
arg_types = grokparms (declarator->u.function.parameters,

4
gcc/testsuite/g++.dg/cpp0x/auto9.C
View File

@ -21,8 +21,8 @@ struct A
struct A2
{
operator auto () -> int; // { dg-error "invalid use of" "" { target { ! c++14 } } }
operator auto *() -> int; // { dg-error "auto" }
operator auto () -> int; // { dg-error "invalid use of|trailing return type" }
operator auto*() -> int; // { dg-error "invalid use of|trailing return type" }
};
template <typename> struct B