Revert "Bootstrap warnings: Disable implicit-cast-changes-value warnings"
Revert "Bootstrap warnings: Disable implicit-cast-changes-value warnings"

This reverts commit 15202d9b7963eca744f77f38b1c0fd57392ffb92.

bobrippling/ucc-c-compiler,bobrippling/ucc-c-compiler,bobrippling/ucc-c-compiler