re PR ipa/65034 (ICE (segfault) on arm-linux-gnueabihf)

	PR ipa/65034
	* stmt.c (emit_case_nodes): Use void_type_node instead of
	NULL_TREE as LABEL_DECL type.

	* decl.c (start_preparsed_function): Use void_type_node instead
	of NULL_TREE as LABEL_DECL type.

	* g++.dg/ipa/pr65034.C: New test.

From-SVN: r220683

gcc/ChangeLog

+2015-02-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/65034
+	* stmt.c (emit_case_nodes): Use void_type_node instead of
+	NULL_TREE as LABEL_DECL type.
+
 2015-02-13  John David Anglin  <danglin@gcc.gnu.org>
 
 	* config/pa/constraints.md: Change "Q" and "T" constraints to memory

gcc/cp/ChangeLog

+2015-02-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/65034
+	* decl.c (start_preparsed_function): Use void_type_node instead
+	of NULL_TREE as LABEL_DECL type.
+
 2015-02-12  Jason Merrill  <jason@redhat.com>
 
 	PR c++/64898

gcc/cp/decl.c

@@ -13721,7 +13721,7 @@ start_preparsed_function (tree decl1, tree attrs, int flags)
 	  && targetm.cxx.cdtor_returns_this ()))
     {
       cdtor_label = build_decl (input_location, 
-				LABEL_DECL, NULL_TREE, NULL_TREE);
+				LABEL_DECL, NULL_TREE, void_type_node);
       DECL_CONTEXT (cdtor_label) = current_function_decl;
     }
 

gcc/stmt.c

@@ -1722,7 +1722,7 @@ emit_case_nodes (rtx index, case_node_ptr node, rtx default_label,
 
 	      tree test_label
 		= build_decl (curr_insn_location (),
-			      LABEL_DECL, NULL_TREE, NULL_TREE);
+			      LABEL_DECL, NULL_TREE, void_type_node);
 
               /* The default label could be reached either through the right
                  subtree or the left subtree. Divide the probability
@@ -1881,7 +1881,7 @@ emit_case_nodes (rtx index, case_node_ptr node, rtx default_label,
 		 Branch to a label where we will handle it later.  */
 
 	      test_label = build_decl (curr_insn_location (),
-				       LABEL_DECL, NULL_TREE, NULL_TREE);
+				       LABEL_DECL, NULL_TREE, void_type_node);
               probability = conditional_probability (
                   node->right->subtree_prob + default_prob/2,
                   subtree_prob + default_prob);

gcc/testsuite/ChangeLog

+2015-02-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/65034
+	* g++.dg/ipa/pr65034.C: New test.
+
 2015-02-13  Ilya Enkovich  <ilya.enkovich@intel.com>
 
 	PR tree-optimization/65002

gcc/testsuite/g++.dg/ipa/pr65034.C

+// PR ipa/65034
+// { dg-do compile }
+// { dg-options "-g -O2" }
+
+enum B { C };
+enum D { E };
+struct A { A (B, D) { } };
+struct F { unsigned g, h, i, j; } a;
+
+void
+foo (unsigned x, unsigned y)
+{
+  switch (x)
+    {
+    case 6:
+      a.i = y;
+      break;
+    case 7:
+      a.j = y;
+      break;
+    default:
+      A (C, E);
+    }
+}
+
+void
+bar (unsigned x, unsigned y)
+{
+  switch (x)
+    {
+    case 6:
+      a.i = y;
+      break;
+    case 7:
+      a.j = y;
+      break;
+    default:
+      A (C, E);
+    }
+}