gcc/

	PR bootstrap/63995
	* tree-chkp.c (chkp_make_static_bounds): Share bounds var
	between nodes sharing assembler name.

gcc/testsuite/

	PR bootstrap/63995
	* g++.dg/dg.exp: Add mpx-dg.exp.
	* g++.dg/pr63995-1.C: New.

From-SVN: r218506