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re PR c++/79205 (ICE in create_tmp_var, at gimple-expr.c:473) 

PR c++/79205
	* cp-gimplify.c (cp_genericize_r): Add result of
	convert_from_reference on invisiref parm to p_set.

	* g++.dg/cpp1z/decomp22.C: New test.
	* g++.dg/cpp1z/decomp23.C: New test.

From-SVN: r244885
This commit is contained in:
Jakub Jelinek 2017-01-24 23:33:41 +01:00 committed by Jakub Jelinek
parent a8c9ef2a39
commit 7cfd79d60b
5 changed files with 46 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2017-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/79205
* cp-gimplify.c (cp_genericize_r): Add result of
convert_from_reference on invisiref parm to p_set.
2017-01-24 Nathan Sidwell <nathan@acm.org>
PR c++/78469 - defaulted ctor and inaccessible dtor

1
gcc/cp/cp-gimplify.c
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@ -1107,6 +1107,7 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data)
if (wtd->handle_invisiref_parm_p && is_invisiref_parm (stmt))
{
*stmt_p = convert_from_reference (stmt);
p_set->add (*stmt_p);
*walk_subtrees = 0;
return NULL;
}

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2017-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/79205
* g++.dg/cpp1z/decomp22.C: New test.
* g++.dg/cpp1z/decomp23.C: New test.
2017-01-24 Nathan Sidwell <nathan@acm.org>
PR c++/78469

21
gcc/testsuite/g++.dg/cpp1z/decomp22.C Normal file
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@ -0,0 +1,21 @@
// PR c++/79205
// { dg-do compile { target c++11 } }
// { dg-options "" }
template <unsigned long, typename...> struct B;
template <unsigned long I, typename H> struct B<I, H> { int b; };
template <typename... E> struct C { B<0, E...> c; C (C &) = default; C (C &&); };
template <typename> struct tuple_size;
template <> struct tuple_size<C<int>> { static constexpr int value = 1; };
template <int, typename> struct tuple_element;
template <typename H, typename... T>
struct tuple_element<0, C<H, T...>> { typedef int type; };
template <int, typename... E>
int &&get (C<E...> &&);
int
foo (C<int> t)
{
auto[x0] = t; // { dg-warning "decomposition declaration only available with" "" { target c++14_down } }
return x0;
}

12
gcc/testsuite/g++.dg/cpp1z/decomp23.C Normal file
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@ -0,0 +1,12 @@
// PR c++/79205
// { dg-do compile { target c++11 } }
// { dg-options "" }
#include <tuple>
int
foo (std::tuple<int> t)
{
auto [x0] = t; // { dg-warning "decomposition declaration only available with" "" { target c++14_down } }
return x0;
}