Tom Anderson authored Jun 08, 2018 and Akira TAGOH committed Jun 11, 2018

CFI [1] is a dynamic analysis tool that checks types at runtime.  It reports an
error when using a function with signature eg. (void (*)(char*)) as
(void (*)(void*)).  This change adds some wrapper functions to avoid this issue.
In optimized builds, the functions should get optimized away.

[1] https://clang.llvm.org/docs/ControlFlowIntegrity.html