core/pcre/pcre-8.38-Yet-another-duplicate-name-bugfix-by-overestimating-.patch

From b7537308b7c758f33c347cb0bec62754c43c271f Mon Sep 17 00:00:00 2001
From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Sat, 27 Feb 2016 17:38:11 +0000
Subject: [PATCH] Yet another duplicate name bugfix by overestimating the
 memory needed (i.e. another hack - PCRE2 has this "properly" fixed).
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git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1636 2f5784b3-3f2a-0410-8824-cb99058d5e15

Petr Písař: Ported to 8.38.

diff --git a/pcre_compile.c b/pcre_compile.c
index 5019854..4ffea0c 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -7311,7 +7311,12 @@ for (;; ptr++)
           so far in order to get the number. If the name is not found, leave
           the value of recno as 0 for a forward reference. */
 
-          else
+          /* This patch (removing "else") fixes a problem when a reference is
+          to multiple identically named nested groups from within the nest.
+          Once again, it is not the "proper" fix, and it results in an
+          over-allocation of memory. */
+
+          /* else */
             {
             ng = cd->named_groups;
             for (i = 0; i < cd->names_found; i++, ng++)
diff --git a/testdata/testinput2 b/testdata/testinput2
index 086e0f4..c805f5f 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4239,4 +4239,6 @@ backtracking verbs. --/
     9010
     abcd
      
+/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/
+
 /-- End of testinput2 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index d414a72..800a72f 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -14665,4 +14665,6 @@ Start of matched string is beyond its end - displaying from end to start.
   0     ^    0
 No match
      
+/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/
+
 /-- End of testinput2 --/
-- 
2.5.0