re PR debug/45103 (DW_OP_reg* has too large valid range for noreturn funcs)

	PR debug/45103
	* dwarf2out.c (dwarf2out_var_location): Always consider
	NOTE_DURING_CALL_P notes, even when not followed by real instructions.

From-SVN: r162646

gcc/ChangeLog

+2010-07-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/45103
+	* dwarf2out.c (dwarf2out_var_location): Always consider
+	NOTE_DURING_CALL_P notes, even when not followed by real instructions.
+
 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
 
 	PR rtl-optimization/45107

gcc/dwarf2out.c

@@ -21278,7 +21278,7 @@ dwarf2out_var_location (rtx loc_note)
   next_real = next_real_insn (loc_note);
   /* If there are no instructions which would be affected by this note,
      don't do anything.  */
-  if (next_real == NULL_RTX)
+  if (next_real == NULL_RTX && !NOTE_DURING_CALL_P (loc_note))
     return;
 
   /* If there were any real insns between note we processed last time