Builtins/ARM: __clear_cache doesn't seem to have a consistent prototype, declare
the builtin as void __clear_cache(...) to workaround this, which appears to
match what GCC does.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108487 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed