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re PR c++/68726 (ice: tree check: expected tree_vec, have error_mark in comp_template_args_with_info, at cp/pt.c:7890) 

/cp
2016-02-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/68726
	* pt.c (lookup_template_class_1): Check tsubst return value for
	error_mark_node.

/testsuite
2016-02-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/68726
	* g++.dg/cpp0x/pr68726.C: New.

From-SVN: r233340
This commit is contained in:
Paolo Carlini 2016-02-11 11:45:10 +00:00
parent 0d7d945855
commit 4146b7b8c4
1 changed files with 2 additions and 0 deletions
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gcc/cp/pt.c
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@ -8547,6 +8547,8 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context,
arglist, complain, NULL_TREE);
--processing_template_decl;
TREE_VEC_LENGTH (arglist)++;
if (partial_inst_args == error_mark_node)
return error_mark_node;
use_partial_inst_tmpl =
/*...and we must not be looking at the partial instantiation
itself. */