[PATCH] D126373: [pseudo-gen] Add -o flag, make --grammar required

[Nico Weber via Phabricator via cfe-commits]

thakis created this revision.
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Virtually all LLVM tools accept a `-o` flag, so add one. This will make it
possible to possibly add a --write-if-changed flag later.

Marking --grammar as `Required` allows removing some manual
verification code for it.


https://reviews.llvm.org/D126373

Files:
  clang-tools-extra/pseudo/gen/Main.cpp
  clang-tools-extra/pseudo/include/CMakeLists.txt

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