* lto-symtab.c (lto_symtab_merge_symbols): Populate symtab hashtable.

	* cgraph.h (varpool_create_empty_node): Declare.
	* lto-cgraph.c (input_node, input_varpool_node): Forcingly create
	duplicated nodes.
	* symtab.c (symtab_unregister_node): Be lax about missin entries
	in node hash.
	(symtab_get_node): Update comment.
	* varpool.c (varpool_create_empty_node): Break out from ...
	(varpool_node_for_decl): ... here.
	* lto-streamer.h (lto_file_decl_data): Add RESOLUTION_MAP.

	* lto.c (register_resolution): Take lto_file_data argument.
	(lto_register_var_decl_in_symtab,
	lto_register_function_decl_in_symtab): Update.
	(read_cgraph_and_symbols): Update resolution_map handling.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199990 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 16 insertions, 2 deletions

diff --git a/gcc/lto-cgraph.c b/gcc/lto-cgraph.c
index 63a9ddb2227..e3f8880be76 100644
--- a/gcc/lto-cgraph.c
+++ b/gcc/lto-cgraph.c
@@ -959,7 +959,14 @@ input_node (struct lto_file_decl_data *file_data,
 				vNULL, false);
     }
   else
-    node = cgraph_get_create_node (fn_decl);
+    {
+      /* Declaration of functions can be already merged with a declaration
+	 from other input file.  We keep cgraph unmerged until after streaming
+	 of ipa passes is done.  Alays forcingly create a fresh node.  */
+      node = cgraph_create_empty_node ();
+      node->symbol.decl = fn_decl;
+      symtab_register_node ((symtab_node)node);
+    }
 
   node->symbol.order = order;
   if (order >= symtab_order)
@@ -1035,7 +1042,14 @@ input_varpool_node (struct lto_file_decl_data *file_data,
   order = streamer_read_hwi (ib) + order_base;
   decl_index = streamer_read_uhwi (ib);
   var_decl = lto_file_decl_data_get_var_decl (file_data, decl_index);
-  node = varpool_node_for_decl (var_decl);
+
+  /* Declaration of functions can be already merged with a declaration
+     from other input file.  We keep cgraph unmerged until after streaming
+     of ipa passes is done.  Alays forcingly create a fresh node.  */
+  node = varpool_create_empty_node ();
+  node->symbol.decl = var_decl;
+  symtab_register_node ((symtab_node)node);
+
   node->symbol.order = order;
   if (order >= symtab_order)
     symtab_order = order + 1;