* jvspec.c (lang_specific_driver): Remove unused
	saw_verbose_flag variable.
	* jcf-dump.c (main): Remove unused general_purpose_bits
	variable.
	* builtins.c (initialize_builtins): Remove unused float_ftype_float
	variable.
	* expr.c (java_stack_pop): Remove unused val variable.
	(build_jni_stub): Remove unused res_type variable.
	* verify-impl.c (check_field_constant): Remove unused len variable.

From-SVN: r154727