re PR debug/43508 (ICE when compiling SSE code with -ggdb)

	PR debug/43508
	* dwarf2out.c (mem_loc_descriptor): Don't ICE on
	VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.

From-SVN: r157703

gcc/ChangeLog

 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/43508
+	* dwarf2out.c (mem_loc_descriptor): Don't ICE on
+	VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
+
 	PR debug/43479
 	* ira.c (adjust_cleared_regs): New function.
 	(update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.

gcc/dwarf2out.c

@@ -13572,6 +13572,10 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
     case POPCOUNT:
     case PARITY:
     case ASM_OPERANDS:
+    case VEC_MERGE:
+    case VEC_SELECT:
+    case VEC_CONCAT:
+    case VEC_DUPLICATE:
     case UNSPEC:
     case HIGH:
       /* If delegitimize_address couldn't do anything with the UNSPEC, we