re PR c++/55801 (ICE with thread_local after ill-formed declaration)

/cp
2013-01-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/55801
	* decl2.c (var_needs_tls_wrapper): Return false when error_operand_p
	of the argument is true.

/testsuite
2013-01-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/55801
	* g++.dg/tls/thread_local-ice.C: New.

From-SVN: r195050

gcc/cp/ChangeLog

+2013-01-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/55801
+	* decl2.c (var_needs_tls_wrapper): Return false when error_operand_p
+	of the argument is true.
+
 2013-01-08  Joel Brobecker  <brobecker@adacore.com>
 
 	* parser.c (cp_parser_initializer_list): Move declaration

gcc/cp/decl2.c

 /* Process declarations and variables for C++ compiler.
    Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010,
-   2011, 2012 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007-2013
+   Free Software Foundation, Inc.
    Hacked by Michael Tiemann (tiemann@cygnus.com)
 
 This file is part of GCC.
@@ -2807,7 +2807,8 @@ var_defined_without_dynamic_init (tree var)
 static bool
 var_needs_tls_wrapper (tree var)
 {
-  return (DECL_THREAD_LOCAL_P (var)
+  return (!error_operand_p (var)
+	  && DECL_THREAD_LOCAL_P (var)
 	  && !DECL_GNU_TLS_P (var)
 	  && !DECL_FUNCTION_SCOPE_P (var)
 	  && !var_defined_without_dynamic_init (var));

gcc/testsuite/ChangeLog

+2013-01-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/55801
+	* g++.dg/tls/thread_local-ice.C: New.
+
 2013-01-09  Andreas Schwab  <schwab@suse.de>
 
 	* gcc.dg/guality/pr54693.c: Null-terminate arr.

gcc/testsuite/g++.dg/tls/thread_local-ice.C

+// PR c++/55801
+// { dg-options "-std=c++11" }
+// { dg-require-effective-target tls }
+
+class C;
+thread_local C O, O2 = O;   // { dg-error "incomplete" }