patch 7.4.1967v7.4.1967

Problem:    Falling back from NFA to old regexp engine does not work properly.
            (fritzophrenic)
Solution:   Do not restore nfa_match. (Christian Brabandt, closes #867)

4 files changed, 12 insertions, 3 deletions

diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 4ca29f244..8b350ab2f 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -5209,9 +5209,12 @@ recursive_regmatch(
     if (REG_MULTI)
 	regline = reg_getline(reglnum);
     reginput = regline + save_reginput_col;
-    nfa_match = save_nfa_match;
+    if (result != NFA_TOO_EXPENSIVE)
+    {
+	nfa_match = save_nfa_match;
+	nfa_listid = save_nfa_listid;
+    }
     nfa_endp = save_nfa_endp;
-    nfa_listid = save_nfa_listid;
 
 #ifdef ENABLE_LOG
     log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index fd19d3af3..360418c50 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -578,7 +578,7 @@ Gop:"
 :" Check patterns matching cursor position.
 :func! Postest()
  new
- call setline(1, ['ffooooo', 'boboooo', 'zoooooo', 'koooooo', 'moooooo', "\t\t\tfoo", 'abababababababfoo', 'bababababababafoo', '********_'])
+ call setline(1, ['ffooooo', 'boboooo', 'zoooooo', 'koooooo', 'moooooo', "\t\t\tfoo", 'abababababababfoo', 'bababababababafoo', '********_', '        xxxxxxxxxxxx    xxxx xxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxx xxxxx xxxxxxx xx xxxx xxxxxxxx xxxx xxxxxxxxxxx xxx xxxxxxx xxxxxxxxx xx xxxxxx xx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxx xxxxxxxx xxxxxxxxx xxxx xxx xxxx xxx xxx xxxxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xx xxxxx xxx xxxxxxxx xxxxxx xxx xxx xxxxxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxxx  xxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxx xxx xxx xxxxxxxx xxxxxxx  xxxx xxx xxxxxx xxxxx xxxxx xx xxxxxx xxxxxxx xxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxx xxx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxxxxxxxxx xxxx xx xxxxxxxx xxx xxxxxxxxxxx xxxxx'])
  call setpos('.', [0, 1, 0, 0])
  s/\%>3c.//g
  call setpos('.', [0, 2, 4, 0])
@@ -590,6 +590,7 @@ Gop:"
  %s/\%>6l\%3c./!/g
  %s/\%>7l\%12c./?/g
  %s/\%>7l\%<9l\%>5v\%<8v./#/g
+ $s/\%(|\u.*\)\@<=[^|\t]\+$//ge
  1,$yank
  quit!
 endfunc
diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
index 92f06ea9f..c218f8ea1 100644
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -1076,6 +1076,7 @@ moooooo
 ab!babababababfoo
 ba!ab##abab?bafoo
 **!*****_
+  !     xxx?xxxxxxxx    xxxx xxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxx xxxxx xxxxxxx xx xxxx xxxxxxxx xxxx xxxxxxxxxxx xxx xxxxxxx xxxxxxxxx xx xxxxxx xx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxx xxxxxxxx xxxxxxxxx xxxx xxx xxxx xxx xxx xxxxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xx xxxxx xxx xxxxxxxx xxxxxx xxx xxx xxxxxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxxx  xxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxx xxx xxx xxxxxxxx xxxxxxx  xxxx xxx xxxxxx xxxxx xxxxx xx xxxxxx xxxxxxx xxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxx xxx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxxxxxxxxx xxxx xx xxxxxxxx xxx xxxxxxxxxxx xxxxx
 -1-
 ffo
 bob
@@ -1086,6 +1087,7 @@ moooooo
 ab!babababababfoo
 ba!ab##abab?bafoo
 **!*****_
+  !     xxx?xxxxxxxx    xxxx xxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxx xxxxx xxxxxxx xx xxxx xxxxxxxx xxxx xxxxxxxxxxx xxx xxxxxxx xxxxxxxxx xx xxxxxx xx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxx xxxxxxxx xxxxxxxxx xxxx xxx xxxx xxx xxx xxxxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xx xxxxx xxx xxxxxxxx xxxxxx xxx xxx xxxxxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxxx  xxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxx xxx xxx xxxxxxxx xxxxxxx  xxxx xxx xxxxxx xxxxx xxxxx xx xxxxxx xxxxxxx xxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxx xxx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxxxxxxxxx xxxx xx xxxxxxxx xxx xxxxxxxxxxx xxxxx
 -2-
 ffo
 bob
@@ -1096,6 +1098,7 @@ moooooo
 ab!babababababfoo
 ba!ab##abab?bafoo
 **!*****_
+  !     xxx?xxxxxxxx    xxxx xxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxx xxxxx xxxxxxx xx xxxx xxxxxxxx xxxx xxxxxxxxxxx xxx xxxxxxx xxxxxxxxx xx xxxxxx xx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxx xxxxxxxx xxxxxxxxx xxxx xxx xxxx xxx xxx xxxxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xx xxxxx xxx xxxxxxxx xxxxxx xxx xxx xxxxxxxxx xxxxxxx x xxxxxxxxx xx xxxxxx xxxxxxx  xxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxx xxx xxx xxxxxxxx xxxxxxx  xxxx xxx xxxxxx xxxxx xxxxx xx xxxxxx xxxxxxx xxx xxxxxxxxxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxx xxx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxx  xxxxxxxxxx xxxx xx xxxxxxxx xxx xxxxxxxxxxx xxxxx
 Test
 Test END
 EN
diff --git a/src/version.c b/src/version.c
index 4d39ea374..89dd5d706 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1967,
+/**/
     1966,
 /**/
     1965,