PR rtl-optimization 25197

	PR rtl-optimization 25197
	* dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
	have a reg.

From-SVN: r107992

gcc/ChangeLog

+2005-12-03  Alan Modra  <amodra@bigpond.net.au>
+
+	PR rtl-optimization 25197
+	* dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
+	have a reg.
+
 2005-12-02  Stuart Hastings  <stuart@apple.com>
 
-	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic warning.
+	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
+	warning.
 
 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 

gcc/dwarf2out.c

@@ -1773,7 +1773,8 @@ dwarf2out_frame_debug_expr (rtx expr, const char *label)
 	  {
 	    int regno;
 
-	    gcc_assert (GET_CODE (XEXP (XEXP (dest, 0), 1)) == CONST_INT);
+	    gcc_assert (GET_CODE (XEXP (XEXP (dest, 0), 1)) == CONST_INT
+			&& REG_P (XEXP (XEXP (dest, 0), 0)));
 	    offset = INTVAL (XEXP (XEXP (dest, 0), 1));
 	    if (GET_CODE (XEXP (dest, 0)) == MINUS)
 	      offset = -offset;