* stabsread.h, stabsread.c, dbxread.c (common_block*, copy_pending):

	* stabsread.h, stabsread.c, dbxread.c (common_block*, copy_pending):
	Move common block handling from dbxread.c to stabsread.c.
	Use the name from the BCOMM instead of the ECOMM.
	Allocate things on the symbol_obstack.
	* xcoffread.c (process_xcoff_symbol): Process C_BCOMM, C_ECOMM,
	and C_ECOML.  On unrecognized storage classes, go ahead and call
	define_symbol (after the complaint).

	* dbxread.c (process_one_symbol): Don't relocate 'S' symbols by
	the text offset.