diff -uNr busybox-1.31.1/miscutils/less.c busybox-1.31.1.mod/miscutils/less.c
--- busybox-1.31.1/miscutils/less.c	2019-06-10 13:50:53.000000000 +0300
+++ busybox-1.31.1.mod/miscutils/less.c	2019-11-12 03:30:59.054944977 +0200
@@ -1803,6 +1803,7 @@
 }
 #endif
 
+#pragma clang optimize off
 int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int less_main(int argc, char **argv)
 {
diff -uNr busybox-1.31.1/networking/ftpd.c busybox-1.31.1.mod/networking/ftpd.c
--- busybox-1.31.1/networking/ftpd.c	2019-06-10 13:50:53.000000000 +0300
+++ busybox-1.31.1.mod/networking/ftpd.c	2019-11-12 04:05:11.739983958 +0200
@@ -1169,6 +1169,7 @@
 	OPT_w = (1 << (BIT_A + 3)) * ENABLE_FEATURE_FTPD_WRITE,
 };
 
+#pragma clang optimize off
 int ftpd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ftpd_main(int argc UNUSED_PARAM, char **argv)
 {
diff -uNr busybox-1.31.1/networking/httpd.c busybox-1.31.1.mod/networking/httpd.c
--- busybox-1.31.1/networking/httpd.c	2019-06-10 13:50:53.000000000 +0300
+++ busybox-1.31.1.mod/networking/httpd.c	2019-11-12 03:30:08.104709323 +0200
@@ -2663,7 +2663,7 @@
 	OPT_VERBOSE     = 1 << p_opt_verbose,
 };
 
-
+#pragma clang optimize off
 int httpd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int httpd_main(int argc UNUSED_PARAM, char **argv)
 {
diff -uNr busybox-1.31.1/runit/svlogd.c busybox-1.31.1.mod/runit/svlogd.c
--- busybox-1.31.1/runit/svlogd.c	2019-06-10 13:50:53.000000000 +0300
+++ busybox-1.31.1.mod/runit/svlogd.c	2019-11-12 03:28:11.214155815 +0200
@@ -1034,6 +1034,7 @@
 	}
 }
 
+#pragma clang optimize off
 int svlogd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int svlogd_main(int argc, char **argv)
 {
diff -uNr busybox-1.31.1/shell/ash.c busybox-1.31.1.mod/shell/ash.c
--- busybox-1.31.1/shell/ash.c	2019-10-21 17:54:40.000000000 +0300
+++ busybox-1.31.1.mod/shell/ash.c	2019-11-12 03:24:39.613095056 +0200
@@ -14278,6 +14278,7 @@
  * exception occurs.  When an exception occurs the variable "state"
  * is used to figure out how far we had gotten.
  */
+#pragma clang optimize off
 int ash_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 #if NUM_SCRIPTS > 0
 int ash_main(int argc, char **argv)