[clang] [Multilib] Extend the Multilib system to support an IncludeDirs field. (PR #146651)

[Petr Hosek via cfe-commits]

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@@ -0,0 +1,29 @@
+# REQUIRES: shell
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petrhosek wrote:

Why does this test requires shell?

https://github.com/llvm/llvm-project/pull/146651