updated for version 7.4.002

Problem:    Pattern with two alternative look-behind matches does not match.
            (Amadeus Demarzi)
Solution:   When comparing PIMs also compare their state ID to see if they are
            different.

src/regexp_nfa.c

@@ -3782,6 +3782,9 @@ pim_equal(one, two)
     if (two_unused)
 	/* one is used and two is not: not equal */
 	return FALSE;
+    /* compare the state id */
+    if (one->state->id != two->state->id)
+	return FALSE;
     /* compare the position */
     if (REG_MULTI)
 	return one->end.pos.lnum == two->end.pos.lnum

src/testdir/test64.in

@@ -421,6 +421,9 @@ STARTTEST
 :call add(tl, [2, '\(foo\)\@<=\>', 'barfoo', '', 'foo'])
 :call add(tl, [2, '\(foo\)\@<=.*', 'foobar', 'bar', 'foo'])
 :"
+:" complicated look-behind match
+:call add(tl, [2, '\(r\@<=\|\w\@<!\)\/', 'x = /word/;', '/'])
+:"
 :""""" \@>
 :call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
 :call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])

src/testdir/test64.ok

@@ -974,6 +974,9 @@ OK 2 - \(foo\)\@<=\>
 OK 0 - \(foo\)\@<=.*
 OK 1 - \(foo\)\@<=.*
 OK 2 - \(foo\)\@<=.*
+OK 0 - \(r\@<=\|\w\@<!\)\/
+OK 1 - \(r\@<=\|\w\@<!\)\/
+OK 2 - \(r\@<=\|\w\@<!\)\/
 OK 0 - \(a*\)\@>a
 OK 1 - \(a*\)\@>a
 OK 2 - \(a*\)\@>a

src/version.c

@@ -727,6 +727,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2,
 /**/
     1,
 /**/