Fix POLY_INT_CST/CONST_POLY_INT typo (PR 89631)

2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	PR debug/89631
	* dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
	instead of POLY_INT_CST.

From-SVN: r269500

gcc/ChangeLog

+2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR debug/89631
+	* dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
+	instead of POLY_INT_CST.
+
 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 
 	* config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE

gcc/dwarf2cfi.c

@@ -1778,7 +1778,7 @@ dwarf2out_frame_debug_expr (rtx expr)
 
 	  /* Rule 6 */
 	case CONST_INT:
-	case POLY_INT_CST:
+	case CONST_POLY_INT:
 	  cur_trace->cfa_temp.reg = dwf_regno (dest);
 	  cur_trace->cfa_temp.offset = rtx_to_poly_int64 (src);
 	  break;