[PATCH] D69825: [Clang][Driver] Re-use the calling process instead of creating a new process for the cc1 invocation

[Joerg Sonnenberger via Phabricator via llvm-commits]

joerg added inline comments.


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Comment at: clang/test/Driver/cc1-spawnprocess.c:1
+// RUN: env -u CLANG_SPAWN_CC1 %clang -c %s -o /dev/null
+// RUN: env CLANG_SPAWN_CC1=0 %clang -c %s -o /dev/null
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mgorny wrote:
> `env -u` is not portable.
I think just going for `env CLANG_SPAWN_CC1=` works for the purpose of this test. 


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D69825/new/

https://reviews.llvm.org/D69825