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cmd/compile: compiler panic in ssa.tighten #19312
What version of Go are you using (
Looking at tighten.go at 1.7.5, that line is:
uses := make(int32, f.NumValues())
NumValues is here:
I don't see anything there that could lead to a nil pointer dereference. This smells like memory corruption.
I'm not sure there's much to do if you can't reproduce it any more, even sporadically. I'll leave this open in case Keith has ideas, though.