Auto merge of #66882 - mati865:znver1_fix, r=nikomatsakis
Auto merge of #66882 - mati865:znver1_fix, r=nikomatsakis

Update LLVM submodule

Fixes https://github.com/rust-lang/rust/issues/63959

Credit for finding the cause goes to `eddyb`.

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