re PR lto/67699 (ICE (segfault) compiling a const array with -flto)

2015-09-24  Richard Biener  <rguenther@suse.de>

	PR lto/67699
	* lto-cgraph.c (compute_ltrans_boundary): Do not stream
	abstract origins.

	* g++.dg/pr67699.C: New testcase.

From-SVN: r228084

gcc/ChangeLog

+2015-09-24  Richard Biener  <rguenther@suse.de>
+
+	PR lto/67699
+	* lto-cgraph.c (compute_ltrans_boundary): Do not stream
+	abstract origins.
+
 2015-09-24  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* tree-object-size.c (plus_stmt_object_size)

gcc/lto-cgraph.c

@@ -895,14 +895,6 @@ compute_ltrans_boundary (lto_symtab_encoder_t in_encoder)
       add_node_to (encoder, node, true);
       lto_set_symtab_encoder_in_partition (encoder, node);
       create_references (encoder, node);
-      /* For proper debug info, we need to ship the origins, too.  */
-      if (DECL_ABSTRACT_ORIGIN (node->decl))
-	{
-	  struct cgraph_node *origin_node
-	  = cgraph_node::get_create (DECL_ABSTRACT_ORIGIN (node->decl));
-	  origin_node->used_as_abstract_origin = true;
-	  add_node_to (encoder, origin_node, true);
-	}
     }
   for (lsei = lsei_start_variable_in_partition (in_encoder);
        !lsei_end_p (lsei); lsei_next_variable_in_partition (&lsei))
@@ -914,13 +906,6 @@ compute_ltrans_boundary (lto_symtab_encoder_t in_encoder)
       lto_set_symtab_encoder_in_partition (encoder, vnode);
       lto_set_symtab_encoder_encode_initializer (encoder, vnode);
       create_references (encoder, vnode);
-      /* For proper debug info, we need to ship the origins, too.  */
-      if (DECL_ABSTRACT_ORIGIN (vnode->decl))
-	{
-	  varpool_node *origin_node
-	    = varpool_node::get (DECL_ABSTRACT_ORIGIN (vnode->decl));
-	  lto_set_symtab_encoder_in_partition (encoder, origin_node);
-	}
     }
   /* Pickle in also the initializer of all referenced readonly variables
      to help folding.  Constant pool variables are not shared, so we must

gcc/testsuite/ChangeLog

+2015-09-24  Richard Biener  <rguenther@suse.de>
+
+	PR lto/67699
+	* g++.dg/pr67699.C: New testcase.
+
 2015-09-24  Richard Earnshaw  <rearnsha@arm.com>
 
 	PR libgcc/67624

gcc/testsuite/g++.dg/pr67699.C

+// { dg-do compile }
+// { dg-require-effective-target lto }
+// { dg-options "-flto" }
+
+template <class T> class foo {
+    foo() { int const bar[2] = {1, 1}; }
+};
+template class foo<int>;