PR jit/63854: Fix memory leak within gcc_options

gcc/ChangeLog:
	PR jit/63854
	* opts.c (finalize_options_struct): New.
	* opts.h (finalize_options_struct): New.
	* toplev.c (toplev::finalize): Call finalize_options_struct
	on global_options and global_options_set.

From-SVN: r217791

gcc/ChangeLog

+2014-11-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/63854
+	* opts.c (finalize_options_struct): New.
+	* opts.h (finalize_options_struct): New.
+	* toplev.c (toplev::finalize): Call finalize_options_struct
+	on global_options and global_options_set.
+
 2014-11-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 	    Jakub Jelinek  <jakub@redhat.com>
 

gcc/opts.c

@@ -307,6 +307,14 @@ init_options_struct (struct gcc_options *opts, struct gcc_options *opts_set)
   targetm_common.option_init_struct (opts);
 }
 
+/* Release any allocations owned by OPTS.  */
+
+void
+finalize_options_struct (struct gcc_options *opts)
+{
+  XDELETEVEC (opts->x_param_values);
+}
+
 /* If indicated by the optimization level LEVEL (-Os if SIZE is set,
    -Ofast if FAST is set, -Og if DEBUG is set), apply the option DEFAULT_OPT
    to OPTS and OPTS_SET, diagnostic context DC, location LOC, with language

gcc/opts.h

@@ -325,6 +325,7 @@ extern void decode_cmdline_options_to_array (unsigned int argc,
 extern void init_options_once (void);
 extern void init_options_struct (struct gcc_options *opts,
 				 struct gcc_options *opts_set);
+extern void finalize_options_struct (struct gcc_options *opts);
 extern void decode_cmdline_options_to_array_default_mask (unsigned int argc,
 							  const char **argv, 
 							  struct cl_decoded_option **decoded_options,

gcc/toplev.c

@@ -2170,4 +2170,7 @@ toplev::finalize (void)
   ipa_cp_c_finalize ();
   ipa_reference_c_finalize ();
   params_c_finalize ();
+
+  finalize_options_struct (&global_options);
+  finalize_options_struct (&global_options_set);
 }