patch 7.4.1058
Problem:    It is not possible to test code that is only reached when memory
            allocation fails.
Solution:   Add the alloc_fail() function.  Try it out with :vimgrep.
diff --git a/src/version.c b/src/version.c
index b20ebd4..34df592 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1058,
+/**/
     1057,
 /**/
     1056,