Jeaye Wilkerson 065cd64af3 [clang-repl] Teach clang-repl how to load PCHs (reprise) (#157359) ...

This is an updated version of @vgvassilev's PR from last year here:
https://github.com/llvm/llvm-project/pull/94166

In short, it includes:

1. The fix for a blocking issue where `clang::Interpreter` (and thus
`clang-repl`) cannot resolve symbols defined in a PCH
2. A test to prove this is working
3. A new hidden flag for `clang-repl` so that `llvm-lit` can match the
host JIT triple between the PCH and `clang-repl`; previously, they may
differ in some cases
4. Everything based on the latest LLVM main

Shout out to @kylc for finding a logic issue which had us stumped for a
while (and securing the
[bounty](https://github.com/jank-lang/jank/issues/446)).

---------

Co-authored-by: Vassil Vassilev <v.g.vassilev@gmail.com>
Co-authored-by: Kyle Cesare <kcesare@gmail.com>

2025-09-30 13:58:57 +03:00

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