re PR lto/69136 (ICE in lto_symtab_prevailing_virtual_decl, at lto/lto-symtab.c:991)

	PR lto/69136
	* lto-symtab.c (lto_symtab_prevailing_virtual_decl): Abstract
	decls have no assemblernames.
	* g++.dg/torture/pr69136.C: New testcase.

From-SVN: r232553

gcc/lto/ChangeLog

+2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR lto/69136
+	* lto-symtab.c (lto_symtab_prevailing_virtual_decl): Abstract
+	decls have no assemblernames.
+
 2016-01-19  Martin Liska  <mliska@suse.cz>
             Martin Jambor  <mjambor@suse.cz>
 

gcc/lto/lto-symtab.c

@@ -990,6 +990,8 @@ lto_symtab_merge_symbols (void)
 tree
 lto_symtab_prevailing_virtual_decl (tree decl)
 {
+  if (DECL_ABSTRACT_P (decl))
+    return decl;
   gcc_checking_assert (!type_in_anonymous_namespace_p (DECL_CONTEXT (decl))
 		       && DECL_ASSEMBLER_NAME_SET_P (decl));
 

gcc/testsuite/ChangeLog

 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
 
+	PR lto/69136
+	* g++.dg/torture/pr69136.C: New testcase.
+
+2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
+
 	PR lto/69133
 	* g++.dg/lto/pr69133_0.C: New testcase.
 	* g++.dg/lto/pr69133_1.C: New testcase.

gcc/testsuite/g++.dg/torture/pr69136.C

+// { dg-do compile }
+class GrBufferAllocPool {
+  virtual ~GrBufferAllocPool();
+};
+GrBufferAllocPool::~GrBufferAllocPool() { static long a; }
+