cmd/compile: ICE from failed assertion

[ThinkChaos]

Go version

Go 1.22 regression (1.21 works)

Output of go env in your module/workspace:

Not relevant, happens on Go playground: https://go.dev/play/p/mJULW_pJBIf

What did you do?

Compile the following program:

package main

func main() {}

func fail() {
	return

	something := false

loop:
	for {
		if something {
			break loop
		}
	}
}

What did you see happen?

Compiler assert

What did you expect to see?

No crash

[randall77]

Closing as a duplicate of #65593.
Fix will be out in the next 1.22 release.