gdb/

gdb/
	Fix gcc-4.5 HEAD warnings.
	* cp-name-parser.y (%union <typed_val_int>, %token GLOBAL)
	(GLOBAL_CONSTRUCTORS, GLOBAL_DESTRUCTORS, demangler_special <GLOBAL>):
	Remove.
	(yylex <"global constructors keyed to ">)
	(yylex <"global destructors keyed to ">): Base it on DEMANGLER_SPECIAL.
	(cp_comp_to_string): Remove variables str, prefix and buf.  Remove the
	GLOBAL_DESTRUCTORS and GLOBAL_CONSTRUCTORS handling.
	(cp_print): Remove the GLOBAL_DESTRUCTORS and GLOBAL_CONSTRUCTORS
	handling.