[PATCH] D139717: Revert "[Driver] Remove Joined -X"

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

In D139717#3988902 <https://reviews.llvm.org/D139717#3988902>, @manojgupta wrote:

> We use -Xcompiler and -Xlinker which are passed in programs and they raise error now.

Sorry, I do not understand. `clang -Xlinker --verbose a.c` works well. `-Xcompiler` is invalid in GCC. How do your programs use `-Xlinker` or `-Xcompiler`.
If `-Xcompiler foo` is used similar to `-Xclang foo`, it seems very wrong to silently ignore `-Xcompiler` as `foo` will be seen as a positional argument...


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https://reviews.llvm.org/D139717