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re PR c++/70029 (ICE with C++11 and -flto) 

PR c++/70029
	* tree.c (verify_type): Disable the canonical type of main variant
	check.

	* g++.dg/torture/pr70029.C: New test.

Co-Authored-By: Jan Hubicka <hubicka@ucw.cz>

From-SVN: r234979
This commit is contained in:
Marek Polacek 2016-04-14 16:51:16 +00:00 committed by Marek Polacek
parent 9f285ccb77
commit 8512855950
4 changed files with 28 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-04-14 Marek Polacek <polacek@redhat.com>
Jan Hubicka <hubicka@ucw.cz>
PR c++/70029
* tree.c (verify_type): Disable the canonical type of main variant
check.
2016-04-14 Jason Merrill <jason@redhat.com>
* cfgexpand.c, expr.c: Revert previous change.

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2016-04-14 Marek Polacek <polacek@redhat.com>
Jan Hubicka <hubicka@ucw.cz>
PR c++/70029
* g++.dg/torture/pr70029.C: New test.
2016-04-14 Martin Sebor <msebor@redhat.com>
* g++.dg/cpp1y/vla11.C: Avoid using attribute aligned to increase

12
gcc/testsuite/g++.dg/torture/pr70029.C Normal file
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@ -0,0 +1,12 @@
// PR c++/70029
// { dg-do compile }
// { dg-options "-std=c++11 -g -flto" }
// { dg-require-effective-target lto }
struct A
{
A();
int foo() && __attribute__ ((__warn_unused_result__)) { return 0; }
};
A a;

4
gcc/tree.c
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@ -13584,7 +13584,9 @@ verify_type (const_tree t)
debug_tree (ct);
error_found = true;
}
if (TYPE_MAIN_VARIANT (t) == t && ct && TYPE_MAIN_VARIANT (ct) != ct)
/* FIXME: this is violated by the C++ FE as discussed in PR70029, when
FUNCTION_*_QUALIFIED flags are set. */
if (0 && TYPE_MAIN_VARIANT (t) == t && ct && TYPE_MAIN_VARIANT (ct) != ct)
{
error ("TYPE_CANONICAL of main variant is not main variant");
debug_tree (ct);