* config/nvptx/nptx.c (nvptx_option_override): Only set
	flag_toplevel_reorder, if not explicitly specified.  Set
	flag_no_common, unless explicitly specified.

	testsuite/
	* gcc.target/nvptx/uninit-decl.c: Force common storage,  add
	non-common cases.
	* gcc.dg/tree-ssa/ssa-store-ccp-2.c: Add -fcommon.

From-SVN: r236532