re PR middle-end/6102 (sparc-sun-solaris2.7 gcc-3.1 RTL checking failure on gcc.dg/20020201-4.c)

	PR middle-end/6102
	* df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
	USE argument.

From-SVN: r51813

gcc/ChangeLog

+2002-04-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/6102
+	* df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
+	USE argument.
+
 2002-04-03  Richard Henderson  <rth@redhat.com>
 
 	PR opt/4120

gcc/df.c

@@ -1236,7 +1236,7 @@ df_insn_refs_record (df, bb, insn)
 	       note = XEXP (note, 1))
 	    {
 	      if (GET_CODE (XEXP (note, 0)) == USE)
-		df_uses_record (df, &SET_DEST (XEXP (note, 0)), DF_REF_REG_USE,
+		df_uses_record (df, &XEXP (XEXP (note, 0), 0), DF_REF_REG_USE,
 				bb, insn, 0);
 	    }