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re PR c++/78488 (P0136R1 ICE when building call to inherited default constructor.) 

PR c++/78488
	* call.c (build_over_call): When checking ellipsis conversions for
	an inherited ctor, make sure there is at least one conversion.

	* g++.dg/cpp1z/inh-ctor37.C: New.

From-SVN: r244592
This commit is contained in:
Nathan Sidwell 2017-01-18 19:27:52 +00:00 committed by Nathan Sidwell
parent a711887ed9
commit c484627cf6
4 changed files with 25 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2017-01-18 Nathan Sidwell <nathan@acm.org>
PR c++/78488
* call.c (build_over_call): When checking ellipsis conversions for
an inherited ctor, make sure there is at least one conversion.
2017-01-18 Jason Merrill <jason@redhat.com>
PR c++/78894 - ICE with class deduction and default arg

1
gcc/cp/call.c
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@ -7899,6 +7899,7 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
could handle this by open-coding the inherited constructor rather than
defining it, but let's not bother now. */
if (!cp_unevaluated_operand
&& cand->num_convs
&& cand->convs[cand->num_convs-1]->ellipsis_p)
{
if (complain & tf_error)

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-01-18 Nathan Sidwell <nathan@acm.org>
PR c++/78488
* g++.dg/cpp1z/inh-ctor37.C: New.
2017-01-18 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/78952

13
gcc/testsuite/g++.dg/cpp1z/inh-ctor37.C Normal file
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@ -0,0 +1,13 @@
// { dg-do compile { target c++11 } }
// PR 78488, seg fault with inherited ctor
struct Foo { Foo() {} };
struct Bar : Foo {
using Foo::Foo;
Bar(void*);
};
int main() {
Bar f;
}