2001-04-17  Benjamin Kosnik  <bkoz@redhat.com>

	* testsuite/23_containers/map_operators.cc: Add dg-excess-errors.
	* testsuite/23_containers/set_operators.cc: Same.

	* include/bits/c++config: Add _GLIBCPP_CONCEPT_CHECKS. Disable by
	default.
	(__GLIBCPP__): Bump from value of last release.
	* include/bits/concept_check.h: Default to off, edit comments.
	* src/stl-inst.cc: Use _GLIBCPP_CONCEPT_CHECKS.
	* src/Makefile.am (AM_CXXFLAGS): Remove _GLIBCPP_NO_CONCEPT_CHECKS.
	* src/Makefile.in: Regenerate.

From-SVN: r41397