* gc.h (gc_process_relocs): Check if icf is enabled using new

	function.
	* gold.cc (queue_initial_tasks): Likewise.
	(queue_middle_tasks): Likewise.
	* object.cc (do_layout): Likewise.
	* symtab.cc (is_section_folded): Likewise.
	* main.cc (main): Likewise.
	* reloc.cc (Read_relocs::run): Likewise.
	(Sized_relobj::do_scan_relocs): Likewise.
	* icf.cc (is_function_ctor_or_dtor): New function.
	(Icf::find_identical_sections): Check if function is ctor or dtor when
	safe icf is chosen.
	* options.h (General_options::icf): Change option to be an enum.
	(Icf_status): New enum.
	(icf_enabled): New method.
	(icf_safe_folding): New method.
	(set_icf_status): New method.
	(icf_status_): New variable.
	* (options.cc) (General_options::finalize): Set icf_status_.
	* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
	icf_test and icf_keep_unique_test to use the --icf enum flag.
	* testsuite/icf_safe_test.sh: New file.
	* testsuite/icf_safe_test.cc: New file.

1 files changed, 54 insertions, 0 deletions

diff --git a/gold/testsuite/icf_safe_test.cc b/gold/testsuite/icf_safe_test.cc
new file mode 100644
index 0000000..9e8a369
--- /dev/null
+++ b/gold/testsuite/icf_safe_test.cc
@@ -0,0 +1,54 @@
+// icf_safe_test.cc -- a test case for gold
+
+// Copyright 2009 Free Software Foundation, Inc.
+// Written by Sriraman Tallam <tmsriram@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+// The goal of this program is to verify if identical code folding
+// in safe mode correctly folds only ctors and dtors. kept_func_1 must
+// not be folded into kept_func_2.  The ctor and dtor of class A must
+// be folded.
+
+class A
+{
+  public:
+    A()
+    {
+    }
+    ~A()
+    {
+    }
+};
+
+A a;
+
+int kept_func_1()
+{
+  return 1;
+}
+
+int kept_func_2()
+{
+  return 1;
+}
+
+int main()
+{
+  return 0;
+}