re PR c++/78341 (ICE on invalid C++ code on x86_64-linux-gnu  (internal compiler error: in cp_parser_std_attribute_spec, at cp/parser.c:24597))

	PR c++/78341
	* parser.c (cp_parser_std_attribute_spec): Remove over-eager
	assertion.  Formatting fix.

	* g++.dg/cpp0x/pr78341.C: New test.

From-SVN: r244329