std.debug.cpu_context.Sparc: flush register windows in current()
It's better to do this here than in StackIterator.init() so that
std.debug.cpu_context.Native.current() isn't a footgun on SPARC.
b8dd40fde8Alex Rønne Petersen committed on 10/15/2025, 11:59:17 AMparent12b1d57