[PATCH] Fix unused but set warnings in Java FE

[Andrew Haley]

Jakub Jelinek wrote:
> Hi!
> 
> This patch fixes some -Wunused-but-set-* warnings in Java FE.
> gcc/java/builtins.c:325:7: warning: variable ‘value_type’ set but not used
> gcc/java/builtins.c:349:7: warning: variable ‘value_type’ set but not used
> gcc/java/builtins.c:412:3: warning: variable ‘this_arg’ set but not used
> gcc/java/javaop.def:278:1: warning: variable ‘saw_index’ set but not used
> gcc/java/javaop.def:311:1: warning: variable ‘saw_index’ set but not used
> warnings are still left, I'd appreciate help with either fixing those or
> finding workarounds.
> 
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
> 
> 2009-11-28  Jakub Jelinek  <jakub@redhat.com>
> 
> 	* 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.

Sure, this stuff is all pretty much obvious/trivial.

Andrew.