re PR rtl-optimization/61629 (FAIL: gcc.dg/20020312-2.c (internal compiler error))

gcc/
	PR rtl-optimization/61629
	* reginfo.c (reinit_regs): Only call ira_init and recog_init if
	they have already been initialized.

From-SVN: r213003

gcc/ChangeLog

 2014-07-24  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	PR rtl-optimization/61629
+	* reginfo.c (reinit_regs): Only call ira_init and recog_init if
+	they have already been initialized.
+
+2014-07-24  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	PR middle-end/61268
 	* function.c (assign_parm_setup_reg): Prevent invalid sharing of
 	DECL_INCOMING_RTL and entry_parm.

gcc/reginfo.c

@@ -533,8 +533,11 @@ reinit_regs (void)
   init_regs ();
   /* caller_save needs to be re-initialized.  */
   caller_save_initialized_p = false;
-  ira_init ();
-  recog_init ();
+  if (this_target_rtl->target_specific_initialized)
+    {
+      ira_init ();
+      recog_init ();
+    }
 }
 
 /* Initialize some fake stack-frame MEM references for use in