Fix ICE in lto_symtab_merge_symbols_1 (PR lto/88004).

2018-11-16  Martin Liska  <mliska@suse.cz>

	PR lto/88004
	* lto-symtab.c (lto_symtab_merge_symbols_1): Do not call
	lto_symtab_symbol_p as it does checking of transparent alias.
	These needs to be also merged in the function.

From-SVN: r266207

gcc/lto/ChangeLog

+2018-11-16  Martin Liska  <mliska@suse.cz>
+
+	PR lto/88004
+	* lto-symtab.c (lto_symtab_merge_symbols_1): Do not call
+	lto_symtab_symbol_p as it does checking of transparent alias.
+	These needs to be also merged in the function.
+
 2018-10-30  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
 
 	* lto-partition.c (privatize_symbol_name_1): Use

gcc/lto/lto-symtab.c

@@ -894,10 +894,11 @@ lto_symtab_merge_symbols_1 (symtab_node *prevailing)
        e = next)
     {
       next = e->next_sharing_asm_name;
+      cgraph_node *ce = dyn_cast <cgraph_node *> (e);
 
-      if (!lto_symtab_symbol_p (e))
+      if ((!TREE_PUBLIC (e->decl) && !DECL_EXTERNAL (e->decl))
+	  || (ce != NULL && ce->global.inlined_to))
 	continue;
-      cgraph_node *ce = dyn_cast <cgraph_node *> (e);
       symtab_node *to = symtab_node::get (lto_symtab_prevailing_decl (e->decl));
 
       /* No matter how we are going to deal with resolution, we will ultimately