PR ld/11931

	PR ld/11931
	* ldlang.h (lang_for_each_statement_worker): Declare.
	* ldlang.c (lang_for_each_statement_worker): Make global.  Don't
	recurse into children of output_section_statement with constraint
	set to -1.
	(print_assignment): Handle NULL output_section->bfd_section.
	(lang_size_sections_1): Ignore output section statement address
	when constraint is -1.
	* emultempl/xtensaelf.em (lang_for_each_statement_worker): Delete.