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cmd/compile: new escape analysis broke s390x #31495
The s390x builder is unhappy since I enabled newescape by default; e.g.
I'm expecting there's a s390x-specific runtime issue (like js/wasm's https://go-review.googlesource.com/c/go/+/170323/).
I don't have access to an s390x machine at the moment, so trying to debug via looking at -m output from cross-compiling for GOARCH=s390x.
/cc @mundaym for FYI
Looks like it's the same issue: https://github.com/golang/go/blob/master/src/runtime/internal/atomic/atomic_s390x.go#L49