re PR c++/47974 (ICE: tree check: expected tree_vec, have error_mark in tsubst_template_args, at cp/pt.c:8969 on invalid code)

/cp
2011-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/47974
	* pt.c (tsubst_template_args): Check argument t for error_mark_node.

/testsuite
2011-03-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/47974
	* g++.dg/template/crash106.C: New.

From-SVN: r170658