calebzulawski marked an inline comment as done.
calebzulawski added inline comments.


================
Comment at: clang/lib/Driver/ToolChains/Darwin.cpp:2147
+    default:
+      // We shouldn't get here, unless the target OS doesn't have an SDK.
+      break;
----------------
calebzulawski wrote:
> carlocab wrote:
> > `llvm_unreachable`? Or `assert`, at least.
> I'm not sure that's correct--what if you target something like 
> `x86_64-unknown-none`?  I figured it would be safest to fall back to the 
> previous behavior of simply not providing a sysroot.
Realizing this is never hit for non-darwin targets anyway, added the 
`llvm_unreachable`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136315/new/

https://reviews.llvm.org/D136315

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