When we can expect LLVM 18.1 in Swift

Hello,

while working on a tool for Linux debugging, I've come around a need to read Thread Local Storage of the Glibc. There is an Issue on this topic and a PR on LLDB which resolves the issue. But the change arrived in the LLVM 18.1.

How long it may take for Swift to adopt the LLVM 18.1?

Swift "rebranches" off of LLVM twice a year: it is currently using that stable/20230725 branch, which I see doesn't have your linux commits.

You could propose applying that pull back to the Swift branch or wait for the next rebranch to automatically include it, which is likely this summer.

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