re PR debug/83034 (ice in mem_loc_descriptor, at dwarf2out.c :15669)

	PR debug/83034
	* dwarf2out.c (mem_loc_descriptor): Handle VEC_SERIES.

	* gcc.dg/pr83034.c: New test.

From-SVN: r255049

gcc/ChangeLog

 2017-11-22  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/83034
+	* dwarf2out.c (mem_loc_descriptor): Handle VEC_SERIES.
+
 	PR rtl-optimization/82044
 	PR tree-optimization/82042
 	* dse.c (record_store): Check for overflow.

gcc/dwarf2out.c

@@ -15605,6 +15605,7 @@ mem_loc_descriptor (rtx rtl, machine_mode mode,
     case VEC_SELECT:
     case VEC_CONCAT:
     case VEC_DUPLICATE:
+    case VEC_SERIES:
     case UNSPEC:
     case HIGH:
     case FMA:

gcc/testsuite/ChangeLog

+2017-11-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/83034
+	* gcc.dg/pr83034.c: New test.
+
 2017-11-22  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/83089

gcc/testsuite/gcc.dg/pr83034.c

+/* PR debug/83034 */
+/* { dg-do compile } */
+/* { dg-options "-funroll-loops -Ofast -g" } */
+
+__attribute__((__simd__)) float expf (float);
+
+void
+foo (float *a, int x)
+{
+  for (; x; x++)
+    a[x] = expf (x);
+}