diff --git a/src/testdir/if_ver-1.vim b/src/testdir/if_ver-1.vim
new file mode 100644
index 0000000..3c94c9e
--- /dev/null
+++ b/src/testdir/if_ver-1.vim
@@ -0,0 +1,26 @@
+" Print all interface versions and write the result into if_ver.txt.
+" For Ubuntu. Part 1.
+
+redir! > if_ver.txt
+if 1
+  echo "*** Interface versions ***"
+  echo "\nLua:"
+  lua print(_VERSION)
+  " echo "\nLuaJIT:"
+  " lua print(jit.version)
+  if has('mzscheme')
+    echo "\nMzScheme:"
+    mzscheme (display (version))
+  endif
+  echo "\nPerl:"
+  perl print $^V
+  echo "\nRuby:"
+  ruby print RUBY_VERSION
+  if has('tcl')
+    echo "\nTcl:"
+    tcl puts [info patchlevel]
+  endif
+  echo "\nPython 2:"
+  python import sys; print sys.version
+endif
+redir END
diff --git a/src/testdir/if_ver-2.vim b/src/testdir/if_ver-2.vim
new file mode 100644
index 0000000..a6fedb5
--- /dev/null
+++ b/src/testdir/if_ver-2.vim
@@ -0,0 +1,10 @@
+" Print py3 interface version and write the result into if_ver.txt.
+" For Ubuntu. Part 2.
+
+redir! >> if_ver.txt
+if 1
+  echo "\nPython 3:"
+  python3 import sys; print(sys.version)
+  echo "\n"
+endif
+redir END
diff --git a/src/testdir/lsan-suppress.txt b/src/testdir/lsan-suppress.txt
new file mode 100644
index 0000000..5166fbf
--- /dev/null
+++ b/src/testdir/lsan-suppress.txt
@@ -0,0 +1,3 @@
+# Suppress leaks from X libraries on Ubuntu trusty.
+leak:libX11.so.6
+leak:libXt.so.6
diff --git a/src/version.c b/src/version.c
index 784f6c1..19e2a0d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    880,
+/**/
     879,
 /**/
     878,