* stabsread.c (patch_block_stabs): If stab & no symbol, make

	* stabsread.c (patch_block_stabs): If stab & no symbol, make
	a LOC_OPTIMIZED_OUT symbol.
	symtab.h (enum address_class): Add LOC_OPTIMIZED_OUT.
	findvar.c (read_var_value), printcmd.c (address_info),
	symmisc.c (print_{,partial_}symbol), c-exp.y (variable),
	m2-exp.y (yylex): Deal with it.