dwarf2out.c (dwarf2out_frame_debug): Check for queued saves again after processing insn.

	* dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
	again after processing insn.

From-SVN: r162460

gcc/ChangeLog

+2010-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
+	again after processing insn.
+
 2010-07-23  Jie Zhang  <jie@codesourcery.com>
 
 	* tree-sra.c (ipa_sra_preliminary_function_checks): Dump

gcc/dwarf2out.c

@@ -2791,6 +2791,12 @@ dwarf2out_frame_debug (rtx insn, bool after_p)
   insn = PATTERN (insn);
  found:
   dwarf2out_frame_debug_expr (insn, label);
+
+  /* Check again.  A parallel can save and update the same register.
+     We could probably check just once, here, but this is safer than
+     removing the check above.  */
+  if (clobbers_queued_reg_save (insn))
+    flush_queued_reg_saves ();
 }
 
 /* Determine if we need to save and restore CFI information around this