Let stack_overflow::imp::cleanup call drop_handler directly
Let stack_overflow::imp::cleanup call drop_handler directly

instead of through the Drop impl for Handler

aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust