[PATCH] D39673: Toolchain: Normalize dwarf, sjlj and seh eh

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo added a comment.

In https://reviews.llvm.org/D39673#917506, @martell wrote:

> @mstorsjo I think this should help with issues like having to set the default for ARM to DWARF.


Btw, in addition to making setting `__SEH__` conditional, it should also instead set `__ARM_DWARF_EH__` on ARM if dwarf is chosen there (see https://reviews.llvm.org/D39533).


Repository:
  rL LLVM

https://reviews.llvm.org/D39673