Do not load body for alias symbols.

	PR lto/93489
	* lto-dump.c (dump_list_functions): Do not
	load body for aliases.
	(dump_body): Likewise here.

gcc/lto/ChangeLog

+2020-02-05  Martin Liska  <mliska@suse.cz>
+
+	PR lto/93489
+	* lto-dump.c (dump_list_functions): Do not
+	load body for aliases.
+	(dump_body): Likewise here.
+
 2020-01-16  Martin Liska  <mliska@suse.cz>
 
 	* lto-partition.c (lto_balanced_map): Remember

gcc/lto/lto-dump.c

@@ -122,7 +122,7 @@ public:
     cgraph_node *cnode = dyn_cast<cgraph_node *> (node);
     gcc_assert (cnode);
 
-    return (cnode->definition)
+    return (cnode->definition && !cnode->alias)
      ? n_basic_blocks_for_fn (DECL_STRUCT_FUNCTION (cnode->decl))
      : 0;
   }
@@ -157,10 +157,10 @@ void dump_list_functions (void)
   cgraph_node *cnode;
   FOR_EACH_FUNCTION (cnode)
   {
-    if (cnode->definition)
+    if (cnode->definition && !cnode->alias)
       cnode->get_untransformed_body ();
     symbol_entry *e = new function_entry (cnode);
-    if (!flag_lto_dump_defined || cnode->definition)
+    if (!flag_lto_dump_defined || (cnode->definition && !cnode->alias))
       v.safe_push (e);
   }
 
@@ -260,7 +260,9 @@ void dump_body ()
   }
   cgraph_node *cnode;
   FOR_EACH_FUNCTION (cnode)
-  if (cnode->definition && !strcmp (cnode->name (), flag_dump_body))
+    if (cnode->definition
+	&& !cnode->alias
+	&& !strcmp (cnode->name (), flag_dump_body))
       {
 	printf ("Gimple Body of Function: %s\n", cnode->name ());
 	cnode->get_untransformed_body ();