[compiler-rt] [sanitizer] Silence -Wframe-larger-than= for a few windows functions with large stack buffers

Also update a documentation url while touching code nearby, as
requested in review.

Differential Revision: https://reviews.llvm.org/D91853

GitOrigin-RevId: ffac9001d987096537b94ed7a1e4e4a4665d571f
3 files changed