Rollup merge of #83902 - alexcrichton:update-llvm, r=nikic
Rollup merge of #83902 - alexcrichton:update-llvm, r=nikic

Update LLVM to support more wasm simd ops

Adds a commit with support for i64 simd comparisons for the wasm target

aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust