Control default initialization of stack variables in C and C++ code.
Options other than
.Li none
require the Clang compiler or GCC 12.0 or later.
The default value is
.Li none .
Valid values are:
.Bl -tag -width indent
.It Li none
Do not initialize stack variables (standard C/C++ behavior).
.It Li pattern
Build the base system or kernel with stack variables initialized to
.Pq compiler defined
debugging patterns on function entry.
.It Li zero
Build the base system or kernel with stack variables initialized
to zero on function entry.
This value is converted to
.Li none
for amd64 kernel builds due to incompatability with ifunc memset.
.El