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re PR c++/51431 (ICE with invalid use of abstract class)

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/cp
2011-12-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51431
	* init.c (build_value_init): Check build_aggr_init_expr return
	value for error_mark_node.

/testsuite
2011-12-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51431
	* g++.dg/other/abstract3.C: New.

From-SVN: r182055
This commit is contained in:
Paolo Carlini 2011-12-06 17:12:17 +00:00 committed by Paolo Carlini
parent 62b547b5f6
commit 66403b3862
4 changed files with 25 additions and 4 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2011-12-06 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51431
* init.c (build_value_init): Check build_aggr_init_expr return
value for error_mark_node.
2011-12-06 Dodji Seketeli <dodji@redhat.com>
PR c++/51427

6
gcc/cp/init.c
View File

@ -359,11 +359,9 @@ build_value_init (tree type, tsubst_flags_t complain)
tree ctor = build_special_member_call
(NULL_TREE, complete_ctor_identifier,
NULL, type, LOOKUP_NORMAL, complain);
ctor = build_aggr_init_expr (type, ctor, complain);
if (ctor != error_mark_node)
{
ctor = build_aggr_init_expr (type, ctor, complain);
AGGR_INIT_ZERO_FIRST (ctor) = 1;
}
AGGR_INIT_ZERO_FIRST (ctor) = 1;
return ctor;
}
}

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2011-12-06 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51431
* g++.dg/other/abstract3.C: New.
2011-12-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49997

12
gcc/testsuite/g++.dg/other/abstract3.C Normal file
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@ -0,0 +1,12 @@
// PR c++/51431
struct A // { dg-message "note" }
{
virtual void foo() = 0; // { dg-message "note" }
};
struct B
{
A a; // { dg-error "abstract" }
B() : a() {} // { dg-error "abstract" }
};