https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00323.html
	cp/
	PR c++/92370
	* parser.c (cp_parser_error_1): Check EOF and UNKNOWN_LOCATION
	when skipping over version control marker.

	testsuite/
	PR c++/92370
	* g++.dg/pr92370.C: New.

From-SVN: r277853