re PR c++/65340 ([C++14]ICE in mark_used, at decl2.c:5040)

2015-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/65340
	* call.c (build_over_call): Pass the tsubst_flags_t argument to
	mark_used.
	* decl2.c (mark_used): Inline the require_deduced_type call and
	guard the error call.

2015-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/65340
	* g++.dg/cpp1y/pr65340.C: New.

From-SVN: r221483
This commit is contained in:
Paolo Carlini 2015-03-18 10:31:24 +00:00 committed by Paolo Carlini
parent 4d1de54341
commit 41cee85a34
5 changed files with 39 additions and 2 deletions

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@ -1,3 +1,11 @@
2015-03-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/65340
* call.c (build_over_call): Pass the tsubst_flags_t argument to
mark_used.
* decl2.c (mark_used): Inline the require_deduced_type call and
guard the error call.
2015-03-16 Jason Merrill <jason@redhat.com>
PR c++/65061

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@ -7486,7 +7486,7 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
}
if (!already_used
&& !mark_used (fn))
&& !mark_used (fn, complain))
return error_mark_node;
if (DECL_VINDEX (fn) && (flags & LOOKUP_NONVIRTUAL) == 0

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@ -5037,7 +5037,12 @@ mark_used (tree decl, tsubst_flags_t complain)
&& uses_template_parms (DECL_TI_ARGS (decl)))
return true;
require_deduced_type (decl);
if (undeduced_auto_decl (decl))
{
if (complain & tf_error)
error ("use of %qD before deduction of %<auto%>", decl);
return false;
}
/* If we don't need a value, then we don't need to synthesize DECL. */
if (cp_unevaluated_operand != 0)

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@ -1,3 +1,8 @@
2015-03-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/65340
* g++.dg/cpp1y/pr65340.C: New.
2015-03-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/64432

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@ -0,0 +1,19 @@
// PR c++/65340
// { dg-do compile { target c++14 } }
template <typename Type> Type constant;
namespace reflect {
namespace functors {
struct recurse { auto operator()(, ); }; // { dg-error "expected" }
}
auto &recurse = constant < functors :: recurse > ;
}
namespace functors {
struct traverse {
template <typename Algo, typename Value>
auto operator()(Algo, Value) -> decltype(reflect
:: recurse(0, 0)); // { dg-error "use of" }
};
}
auto &traverse = constant < functors :: traverse > ;
operator()()->decltype(traverse(0, 0)) // { dg-error "no match|expected" }