[clang] [llvm] [WebAssembly] Change to 64-bit table indices on Wasm64 (PR #180649)

[Derek Schuff via llvm-commits]

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dschuff wrote:

I guess we are not actually breaking the C ABI right? Because we have already switched the indirect call table to 64 bit, and we no longer have to wrap the pointer before indirect calls like we used to?

https://github.com/llvm/llvm-project/pull/180649