diff --git a/.github/actions/freebsd/action.yml b/.github/actions/freebsd/action.yml
index f7c89a6961eb4..415790bab5a71 100644
--- a/.github/actions/freebsd/action.yml
+++ b/.github/actions/freebsd/action.yml
@@ -7,6 +7,7 @@ runs:
       with:
         release: '13.3'
         usesh: true
+        copyback: false
         # Temporarily disable sqlite, as FreeBSD ships it with disabled double quotes. We'll need to fix our tests.
         # https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269889
         prepare: |
diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
index 177d0c7f7c91e..c3386bc3a9389 100644
--- a/ext/gmp/gmp.c
+++ b/ext/gmp/gmp.c
@@ -32,6 +32,10 @@
 #include "ext/random/php_random.h"
 #include "ext/random/php_random_csprng.h"
 
+#ifndef mpz_fits_si_p
+# define mpz_fits_si_p mpz_fits_slong_p
+#endif
+
 #define GMP_ROUND_ZERO      0
 #define GMP_ROUND_PLUSINF   1
 #define GMP_ROUND_MINUSINF  2
@@ -293,7 +297,7 @@ static zend_result gmp_cast_object(zend_object *readobj, zval *writeobj, int typ
 		return SUCCESS;
 	case _IS_NUMBER:
 		gmpnum = GET_GMP_OBJECT_FROM_OBJ(readobj)->num;
-		if (mpz_fits_slong_p(gmpnum)) {
+		if (mpz_fits_si_p(gmpnum)) {
 			ZVAL_LONG(writeobj, mpz_get_si(gmpnum));
 		} else {
 			ZVAL_DOUBLE(writeobj, mpz_get_d(gmpnum));
diff --git a/ext/gmp/tests/gh16890.phpt b/ext/gmp/tests/gh16890.phpt
new file mode 100644
index 0000000000000..08fc060559625
--- /dev/null
+++ b/ext/gmp/tests/gh16890.phpt
@@ -0,0 +1,11 @@
+--TEST--
+GH-16890 (array_sum() with GMP can loose precision (LLP64))
+--EXTENSIONS--
+gmp
+--FILE--
+<?php
+$large_int_string = (string) (PHP_INT_MAX - 1);
+var_dump(array_sum([new GMP($large_int_string), 1]) === PHP_INT_MAX);
+?>
+--EXPECT--
+bool(true)
diff --git a/ext/standard/dns_win32.c b/ext/standard/dns_win32.c
index a41d6f44d03a0..616d9eb4368fa 100644
--- a/ext/standard/dns_win32.c
+++ b/ext/standard/dns_win32.c
@@ -23,23 +23,6 @@
 
 #include "php_dns.h"
 
-#define PHP_DNS_NUM_TYPES	12	/* Number of DNS Types Supported by PHP currently */
-
-#define PHP_DNS_A      0x00000001
-#define PHP_DNS_NS     0x00000002
-#define PHP_DNS_CNAME  0x00000010
-#define PHP_DNS_SOA    0x00000020
-#define PHP_DNS_PTR    0x00000800
-#define PHP_DNS_HINFO  0x00001000
-#define PHP_DNS_MX     0x00004000
-#define PHP_DNS_TXT    0x00008000
-#define PHP_DNS_A6     0x01000000
-#define PHP_DNS_SRV    0x02000000
-#define PHP_DNS_NAPTR  0x04000000
-#define PHP_DNS_AAAA   0x08000000
-#define PHP_DNS_ANY    0x10000000
-#define PHP_DNS_ALL    (PHP_DNS_A|PHP_DNS_NS|PHP_DNS_CNAME|PHP_DNS_SOA|PHP_DNS_PTR|PHP_DNS_HINFO|PHP_DNS_MX|PHP_DNS_TXT|PHP_DNS_A6|PHP_DNS_SRV|PHP_DNS_NAPTR|PHP_DNS_AAAA)
-
 PHP_FUNCTION(dns_get_mx) /* {{{ */
 {
 	char *hostname;
diff --git a/ext/standard/tests/file/copy_variation5-win32.phpt b/ext/standard/tests/file/copy_variation5-win32.phpt
index d3f75262a1857..af352dbe07322 100644
--- a/ext/standard/tests/file/copy_variation5-win32.phpt
+++ b/ext/standard/tests/file/copy_variation5-win32.phpt
@@ -22,9 +22,9 @@ fclose($file_handle);
 $dest_files = array(
 
   /* Checking case sensitiveness */
-  "COPY.tmp",
-  "COPY.TMP",
-  "CopY.TMP"
+  "COPY5.tmp",
+  "COPY5.TMP",
+  "CopY5.TMP"
 );
 
 echo "Size of the source file before copy operation => ";
@@ -80,25 +80,25 @@ Size of the source file before copy operation => int(1500)
 -- Iteration 1 --
 Copy operation => bool(true)
 Existence of destination file => bool(true)
-Destination file name => %s/COPY.tmp
+Destination file name => %s/COPY5.tmp
 Size of source file => int(1500)
 Size of destination file => int(1500)
 
 -- Iteration 2 --
 Copy operation => bool(true)
 Existence of destination file => bool(true)
-Destination file name => %s/COPY.TMP
+Destination file name => %s/COPY5.TMP
 Size of source file => int(1500)
 Size of destination file => int(1500)
 
 -- Iteration 3 --
 Copy operation => bool(true)
 Existence of destination file => bool(true)
-Destination file name => %s/CopY.TMP
+Destination file name => %s/CopY5.TMP
 Size of source file => int(1500)
 Size of destination file => int(1500)
 
-Warning: unlink(%s/COPY.TMP): No such file or directory in %s on line %d
+Warning: unlink(%s/COPY5.TMP): No such file or directory in %s on line %d
 
-Warning: unlink(%s/CopY.TMP): No such file or directory in %s on line %d
+Warning: unlink(%s/CopY5.TMP): No such file or directory in %s on line %d
 *** Done ***