diff --git a/ext/standard/proc_open.c b/ext/standard/proc_open.c
index 25a5f7f..93c47af 100644
--- a/ext/standard/proc_open.c
+++ b/ext/standard/proc_open.c
@@ -55,7 +55,7 @@
  * */
 #ifdef PHP_CAN_SUPPORT_PROC_OPEN
 
-#if 0 && HAVE_PTSNAME && HAVE_GRANTPT && HAVE_UNLOCKPT && HAVE_SYS_IOCTL_H && HAVE_TERMIOS_H
+#if HAVE_PTSNAME && HAVE_GRANTPT && HAVE_UNLOCKPT && HAVE_SYS_IOCTL_H && HAVE_TERMIOS_H
 # include <sys/ioctl.h>
 # include <termios.h>
 # define PHP_CAN_DO_PTS	1
diff --git a/php.ini-development b/php.ini-development
index 23a35a2..0292501 100644
--- a/php.ini-development
+++ b/php.ini-development
@@ -304,6 +304,12 @@
 ; or per-virtualhost web server configuration file.
 ; Note: disables the realpath cache
 ; http://php.net/open-basedir
+
+; NOTE: this is considered a "broken" security measure.
+;       Applications relying on this feature will not receive full
+;       support by the security team.  For more information please
+;       see /usr/share/doc/php-common/README.Debian.security
+;
 ;open_basedir =
 
 ; This directive allows you to disable certain functions.
diff --git a/ext/dba/dba.c b/ext/dba/dba.c
index 9581a57..21d3f11 100644
--- a/ext/dba/dba.c
+++ b/ext/dba/dba.c
@@ -51,6 +51,10 @@
 #include "php_tcadb.h"
 #include "php_lmdb.h"
 
+#ifdef DB4_INCLUDE_FILE
+#include DB4_INCLUDE_FILE
+#endif
+
 /* {{{ arginfo */
 ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_popen, 0, 0, 2)
 	ZEND_ARG_INFO(0, path)
@@ -558,6 +562,10 @@
 
 	php_info_print_table_start();
  	php_info_print_table_row(2, "DBA support", "enabled");
+#ifdef DB_VERSION_STRING
+ 	php_info_print_table_row(2, "libdb header version", DB_VERSION_STRING);
+ 	php_info_print_table_row(2, "libdb library version", db_version(NULL, NULL, NULL));
+#endif
 	if (handlers.s) {
 		smart_str_0(&handlers);
 		php_info_print_table_row(2, "Supported handlers", ZSTR_VAL(handlers.s));
--- /dev/null
+++ b/tests/func/null-new_val.phpt
@@ -0,0 +1,10 @@
+--TEST--
+ini_restore strcmp NULL new_val
+--FILE--
+<?php
+
+ini_set('error_log','ini_set_works');
+ini_restore('error_log');
+
+?>
+--EXPECT--
diff --git a/ext/dba/config.m4 b/ext/dba/config.m4
index 51bdd84..79136d5 100644
diff --git a/sapi/fpm/php-fpm.8.in b/sapi/fpm/php-fpm.8.in
index 972c242..002c44b 100644
--- a/sapi/fpm/php-fpm.8.in
+++ b/sapi/fpm/php-fpm.8.in
@@ -139,22 +139,8 @@
 .TP
 .B php.ini
 The standard php configuration file.
-.SH EXAMPLES
-For any unix systems which use init.d for their main process manager, you should use the init script provided to start and stop the php-fpm daemon.
-.P
-.PD 1
-.RS
-sudo /etc/init.d/php-fpm start
-.RE
-.TP
-For any unix systems which use systemd for their main process manager, you should use the unit file provided to start and stop the php-fpm daemon.
-.P
-.PD 1
-.RS
-sudo systemctl start php-fpm.service
-.RE
-.TP
-If your installation has no appropriate init script, launch php-fpm with no arguments. It will launch as a daemon (background process) by default. The file @php_fpm_localstatedir@/run/php-fpm.pid determines whether php-fpm is already up and running. Once started, php-fpm then responds to several POSIX signals:
+.SH SIGNAL
+Once started, php-fpm then responds to several POSIX signals:
 .P
 .PD 0
 .RS
@@ -168,10 +154,6 @@
 .RE
 .PD 1
 .P
-.SH TIPS
-The PHP-FPM CGI daemon will work well with most popular webservers, including Apache2, lighttpd and nginx.
-.PD 1
-.P
 .SH SEE ALSO
 The PHP-FPM website:
 .PD 0
diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c
index 4d10e68..f74a936 100644
--- a/main/streams/plain_wrapper.c
+++ b/main/streams/plain_wrapper.c
@@ -713,7 +713,13 @@
 
 				switch (value) {
 					case PHP_STREAM_MMAP_SUPPORTED:
-						return fd == -1 ? PHP_STREAM_OPTION_RETURN_ERR : PHP_STREAM_OPTION_RETURN_OK;
+						if (fd == -1)
+							return PHP_STREAM_OPTION_RETURN_ERR;
+						/* Don't mmap large files */
+						do_fstat(data, 1);
+						if (data->sb.st_size > 4 * 1024 * 1024)
+							return PHP_STREAM_OPTION_RETURN_ERR;
+						return PHP_STREAM_OPTION_RETURN_OK;
 
 					case PHP_STREAM_MMAP_MAP_RANGE:
 						if (do_fstat(data, 1) != 0) {
diff --git a/ext/dba/dba.c b/ext/dba/dba.c
index 21d3f11..ac2d212 100644
--- a/ext/dba/dba.c
+++ b/ext/dba/dba.c
@@ -999,7 +999,7 @@
 		}
 	}
 
-	if (error || hptr->open(info, &error) != SUCCESS) {
+	if (error || (hptr->open)(info, &error) != SUCCESS) {
 		dba_close(info);
 		php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Driver initialization failed for handler: %s%s%s", hptr->name, error?": ":"", error?error:"");
 		FREENOW;
diff --git a/ext/dba/dba_db3.c b/ext/dba/dba_db3.c
index bc0fdac..1b1b5c9 100644
--- a/ext/dba/dba_db3.c
+++ b/ext/dba/dba_db3.c
@@ -93,9 +93,9 @@
 	    dbp->set_errcall(dbp, php_dba_db3_errcall_fcn);
 		if(
 #if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1))
-			(err=dbp->open(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
+			(err=(dbp->open)(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
 #else
-			(err=dbp->open(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
+			(err=(dbp->open)(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
 #endif
 			dba_db3_data *data;
 
diff --git a/ext/dba/dba_db4.c b/ext/dba/dba_db4.c
index ee296b9..22ca32d 100644
--- a/ext/dba/dba_db4.c
+++ b/ext/dba/dba_db4.c
@@ -122,9 +122,9 @@
 	    dbp->set_errcall(dbp, php_dba_db4_errcall_fcn);
 	    if (
 #if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1))
-			(err=dbp->open(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
+			(err=(dbp->open)(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
 #else
-			(err=dbp->open(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
+			(err=(dbp->open)(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
 #endif
 			dba_db4_data *data;
 
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 9060dcb..2678751 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -47,6 +47,18 @@
 int le_deflate;
 int le_inflate;
 
+/*
+ * zlib include files can define the following preprocessor defines which rename
+ * the corresponding PHP functions to gzopen64, gzseek64 and gztell64 and thereby
+ * breaking some software, most notably PEAR's Archive_Tar, which halts execution
+ * without error message on gzip compressed archivesa.
+ *
+ * This only seems to happen on 32bit systems with large file support.
+ */
+#undef gzopen
+#undef gzseek
+#undef gztell
+
 ZEND_DECLARE_MODULE_GLOBALS(zlib);
 
 /* {{{ Memory management wrappers */
diff --git a/ext/standard/tests/strings/setlocale_variation2.phpt b/ext/standard/tests/strings/setlocale_variation2.phpt
index 6fd6f4d..9be9dc6 100644
--- a/ext/standard/tests/strings/setlocale_variation2.phpt
+++ b/ext/standard/tests/strings/setlocale_variation2.phpt
@@ -59,6 +59,7 @@
 //try different locale names
 $failure_locale = array();
 $success_count = 0;
+$expected = 0;
 
 echo "-- Test setlocale() with all available locale in the system --\n";
 // gather all locales installed in the system(stored $all_system_locales),
@@ -68,6 +69,10 @@
   if(setlocale(LC_ALL,$value )){
    $success_count++;
   }
+  else if ($value == 'no_NO.ISO-8859-1') {
+    // ignore this one, see rhbz #971416
+   $expected++;
+  }
   else{
    //failure values are put in to an array $failure_locale
    $failure_locale[] = $value;
@@ -76,11 +81,11 @@
 
 echo "No of locales found on the machine = ".count($all_system_locales)."\n";
 echo "No of setlocale() success = ".$success_count."\n";
-echo "Expected no of failures = 0\n";
+echo "Expected no of failures = $expected\n";
 echo "Test ";
 // check if there were any failure of setlocale() function earlier, if any
 // failure then dump the list of failing locales
-if($success_count != count($all_system_locales)){
+if(($success_count + $expected) != count($all_system_locales)){
   echo "FAILED\n";
   echo "Names of locale() for which setlocale() failed ...\n";
   var_dump($failure_locale);
@@ -96,6 +101,6 @@
 -- Test setlocale() with all available locale in the system --
 No of locales found on the machine = %d
 No of setlocale() success = %d
-Expected no of failures = 0
+Expected no of failures = %d
 Test PASSED
 Done
diff --git a/ext/pcre/tests/grep2.phpt b/ext/pcre/tests/grep2.phpt
index 4c6f9b1..a6247cc 100644
--- a/ext/pcre/tests/grep2.phpt
+++ b/ext/pcre/tests/grep2.phpt
@@ -44,12 +44,6 @@
   string(1) "1"
 }
 bool(true)
-array(3) {
-  [5]=>
-  string(1) "a"
-  ["xyz"]=>
-  string(2) "q6"
-  [6]=>
-  string(3) "h20"
+array(0) {
 }
-bool(false)
+bool(true)
diff --git a/ext/pcre/tests/match_flags3.phpt b/ext/pcre/tests/match_flags3.phpt
index 6511c71..05c62a0 100644
--- a/ext/pcre/tests/match_flags3.phpt
+++ b/ext/pcre/tests/match_flags3.phpt
@@ -41,5 +41,5 @@
   }
 }
 
-Warning: preg_match(): Compilation failed: %s name must start with a non-digit at offset %d in %smatch_flags3.php on line %d
+Warning: preg_match(): Numeric named subpatterns are not allowed in %smatch_flags3.php on line %d
 bool(false)