[scudo] Move noinline functions definitions out of line

Summary:
Mark `isRssLimitExceeded` as `NOINLINE`, and move it's definition as well as
the one of `performSanityChecks` out of the class definition, as requested.

Reviewers: filcab, alekseyshl

Reviewed By: alekseyshl

Subscribers: delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D48228

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@335054 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed