[PATCH] Add an IsLiteral parameter to SpecialCaseList (Clang side).

[Peter Collingbourne]

> See my comment in review thread for D4547. I'm not happy with code structure you propose. In particular, I don't see why Clang (?) should know whether DFSan expects to see special case lists in "literal" mode. It's really a DFSan implementation detail, which probably shouldn't be exposed.

Okay, I guess we can hide that behind `DFSanABIList`.

http://reviews.llvm.org/D4818