--- gcc/doc/g++.1.orig	2020-03-04 19:45:25.000000000 +1100
+++ gcc/doc/g++.1	2020-09-14 00:29:08.691984000 +1000
@@ -1087,7 +1087,7 @@
 \&\-mprioritize\-restricted\-insns=\fR\fIpriority\fR 
 \&\fB\-msched\-costly\-dep=\fR\fIdependence_type\fR 
 \&\fB\-minsert\-sched\-nops=\fR\fIscheme\fR 
-\&\fB\-mcall\-aixdesc  \-mcall\-eabi  \-mcall\-freebsd  
+\&\fB\-mcall\-aixdesc  \-mcall\-eabi  \-mcall\-freebsd  \-mcall\-bsdsunix
 \&\-mcall\-linux  \-mcall\-netbsd  \-mcall\-openbsd  
 \&\-mcall\-sysv  \-mcall\-sysv\-eabi  \-mcall\-sysv\-noeabi 
 \&\-mtraceback=\fR\fItraceback_type\fR 
@@ -21832,6 +21832,10 @@
 .IX Item "-mcall-linux"
 On System V.4 and embedded PowerPC systems compile code for the
 Linux-based \s-1GNU\s0 system.
+.IP "\fB\-mcall\-bsdsunix\fR" 4
+.IX Item "-mcall-bsdsunix"
+On System V.4 and embedded PowerPC systems compile code for the
+BSDSUniX operating system.
 .IP "\fB\-mcall\-freebsd\fR" 4
 .IX Item "-mcall-freebsd"
 On System V.4 and embedded PowerPC systems compile code for the
@@ -23153,6 +23157,10 @@
 .IX Item "-mcall-linux"
 On System V.4 and embedded PowerPC systems compile code for the
 Linux-based \s-1GNU\s0 system.
+.IP "\fB\-mcall\-bsdsunix\fR" 4
+.IX Item "-mcall-bsdsunix"
+On System V.4 and embedded PowerPC systems compile code for the
+BSDSUniX operating system.
 .IP "\fB\-mcall\-freebsd\fR" 4
 .IX Item "-mcall-freebsd"
 On System V.4 and embedded PowerPC systems compile code for the