[cfe-commits] [PATCH] Make clang::driver::Option non virtual. First steps to extracting option parsing from clang.

[Michael Spencer]

The attached patch makes the clang::driver::Option class have no virtual
members. It also gets rid of all of its subclasses. The end goal of the
clang::driver::Option refactoring is to make it a value type that has a single
OptTable::Info* member. Each OptTable will return its own subclass of Option
that interprets the flag bits.

- Michael Spencer
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