cmd/compile/internal/ssa: occurred the wrong rewrite cycle detection [1.18 backport]

[gopherbot]

@randall77 requested issue #51639 to be considered for backport to the next 1.18 minor release.

@gopherbot please open a backport issue for 1.18.

[gopherbot]

Change https://go.dev/cl/400514 mentions this issue: [release-branch.go1.18] cmd/compile: disable rewrite loop detector for deadcode-only changes

[gopherbot]

Closed by merging 13bda0e to release-branch.go1.18.