cmd/gc: superlinear slow-down compiling slice of interface literal #8354
Description
As the number of elements in a slice of interface literal grows, cmd/gc slows down more than linearly: http://play.golang.org/p/5TDTCtaP3Q package main type I interface { foo() } type S string func (S) foo() {} var s = []I{ S("foo"), S("foo"), S("foo"), S("foo"), S("foo"), S("foo"), S("foo"), S("foo"), S("foo"), ... Observed times for "go build x.go": 100 0.003s 1000 0.187s 2000 0.784s 3000 1.593s 4000 2.655s 5000 4.016s 6000 5.685s 7000 7.600s 14000 29.234s