__clear_cache() is varargs and people will occasionally write it without
arguments. Process only the arguments that people write, but process
all of them.

Fixes rdar://8900346

llvm-svn: 127616
2 files changed
tree: 3f67c0ad8989874a51d632f62eaee48341ce0f36
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/