runtime: fix runtime.Breakpoint() on windows/arm64
runtime: fix runtime.Breakpoint() on windows/arm64

Fixes #53837

Change-Id: I4219fe35aac1a88aae2905998fbb1d7db87bbfb2
Reviewed-on: https://go-review.googlesource.com/c/go/+/418734
Reviewed-by: Michael Pratt <e7f1edc6d5aa9f6c8c377425db8f1a5816cbbb88@google.com>
Reviewed-by: Cherry Mui <d62e63aa42ce272d7b6a5055d97e942b33a34679@google.com>
Reviewed-by: Alessandro Arzilli <e26d9aa77fb315046750e4f7a9c5cd199e338f92@gmail.com>
TryBot-Result: Gopher Robot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Run-TryBot: Alessandro Arzilli <e26d9aa77fb315046750e4f7a9c5cd199e338f92@gmail.com>

golang/go,nawawi/go,nawawi/go,golang/go,nawawi/go,nawawi/go,nawawi/go,golang/go,nawawi/go,nawawi/go,golang/go,golang/go,golang/go,golang/go,golang/go,nawawi/go