Fixup gdb-dts-rhel6-python-compat.patch

---
 gdb/python/lib/gdb/command/backtrace.py | 12 +++++++++---
 gdb/testsuite/gdb.base/help.exp         |  4 +++-
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/gdb/python/lib/gdb/command/backtrace.py b/gdb/python/lib/gdb/command/backtrace.py
index eeea9093e8..5059b6518a 100644
--- a/gdb/python/lib/gdb/command/backtrace.py
+++ b/gdb/python/lib/gdb/command/backtrace.py
@@ -81,13 +81,19 @@ Use of the 'raw' qualifier avoids any filtering by loadable modules.
         # FIXME: provide option to start at selected frame
         # However, should still number as if starting from newest
         newest_frame = gdb.newest_frame()
-        iter = itertools.imap (FrameWrapper,
-                               FrameIterator (newest_frame))
+        if sys.version_info.major >= 3:
+            iter = map (FrameWrapper, FrameIterator (newest_frame))
+        else:
+            iter = itertools.imap (FrameWrapper,
+                                   FrameIterator (newest_frame))
         if filter:
             iter = gdb.backtrace.create_frame_filter (iter)
 
         # Now wrap in an iterator that numbers the frames.
-        iter = itertools.izip (itertools.count (0), iter)
+        if sys.version_info.major >= 3:
+            iter = zip (itertools.count (0), iter)
+        else:
+            iter = itertools.izip (itertools.count (0), iter)
 
         # Reverse if the user wanted that.
         if self.reverse.value:
diff --git a/gdb/testsuite/gdb.base/help.exp b/gdb/testsuite/gdb.base/help.exp
index 0b6893cf79..af5fb232ce 100644
--- a/gdb/testsuite/gdb.base/help.exp
+++ b/gdb/testsuite/gdb.base/help.exp
@@ -129,7 +129,9 @@ gdb_test "apropos apropos" "apropos -- Search for commands matching a REGEXP.*"
 
 # Test apropos for commands having aliases.
 gdb_test "apropos Print backtrace of all stack frames, or innermost COUNT frames\." \
-    "backtrace, where, bt -- Print backtrace of all stack frames, or innermost COUNT frames\."
+    [multi_line \
+	 "backtrace, where, bt -- Print backtrace of all stack frames, or innermost COUNT frames\." \
+	 "new-backtrace -- Print backtrace of all stack frames, or innermost COUNT frames\."]
 
 # Test help for commands having aliases.
 gdb_test "help bt" "backtrace, where, bt\[\r\n\]+Print backtrace of all stack frames, or innermost COUNT frames\..*"