cmd/compile: arch.MAXWIDTH on amd64 out of date? #38734
Most amd64 implementations only support 48 bits of linear address space, but apparently Intel's Ice Lake product line launched last year and support up to 57 bits.
Theoretically fixing this should be as simple as bumping that constant up, but I'm nervous there are other constants that will need to be bumped too. E.g., probably code that uses the
Noticed in discussion on #37805.
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