dwarf2out.c (mem_loc_descriptor): Remove special casing of CONSTANT_POOL_ADDRESS_P...

dwarf2out.c (mem_loc_descriptor): Remove special casing of CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.

	* dwarf2out.c (mem_loc_descriptor): Remove special casing of
	CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
	on MEM's address failed, try avoid_constant_pool_reference and
	recurse if it returned something different.
	(loc_descriptor): If for MEM mem_loc_descriptor failed on the
	address, try avoid_constant_pool_reference and recurse if it
	returned something different.
	(dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
	address and avoid_constant_pool_reference returned something
	different, don't set have_address.

From-SVN: r156293