[PATCH] D57874: [WebAssembly] Make thread-related options consistent

[Heejin Ahn via Phabricator via cfe-commits]

aheejin updated this revision to Diff 186063.
aheejin added a comment.

- Fix some bugs
- Make the driver error out when explicitly given options don't match, such as `-no-pthread` and `-matomics` are given at the same time


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57874/new/

https://reviews.llvm.org/D57874

Files:
  include/clang/Driver/ToolChain.h
  lib/Driver/Driver.cpp
  lib/Driver/ToolChains/Clang.cpp
  lib/Driver/ToolChains/WebAssembly.cpp
  lib/Driver/ToolChains/WebAssembly.h
  test/Driver/wasm-toolchain.c

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