* dwarf2read.c (signatured_type): Make "per_cu" member first.

	(init_cutu_and_read_dies): Handle rereading a DWO CU while it's
	currently being read.  Propagate DW_AT_comp_dir to DWO DIE.

	testsuite/
	* gdb.dwarf2/fission-reread.S: New file.
	* gdb.dwarf2/fission-reread.exp: New file.

1 files changed, 44 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/fission-reread.exp b/gdb/testsuite/gdb.dwarf2/fission-reread.exp
new file mode 100644
index 0000000..9efc530
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/fission-reread.exp
@@ -0,0 +1,44 @@
+# Copyright 2012 Free Software Foundation, Inc.
+
+# 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, see <http://www.gnu.org/licenses/>.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if ![dwarf2_support] {
+    return 0  
+}
+
+set basename "fission-reread"
+
+standard_testfile .S
+
+# IWBN to use prepare_for_testing here, but we need to set debug-file-directory
+# before we load the binary.
+
+if { [build_executable "$testfile.exp" "$testfile" "$srcfile" {nodebug}] } {
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+# Set debug-file-directory so we find the dwo file.
+gdb_test_no_output "set debug-file-directory $subdir"
+gdb_load [standard_output_file $testfile]
+
+gdb_test "break main" "Breakpoint.*at.*"
+
+# If we get this far gdb didn't crash, nor did an error occur.
+pass $testfile