From 129a2fcf6c38e83566511304702eada696ed486b Mon Sep 17 00:00:00 2001 From: Cuong Manh Le Date: Mon, 21 Mar 2022 18:49:37 +0700 Subject: cmd/compile: fix panic with nested dead hidden closures CL 342350 fixed deadcode panic with dead hidden closures. However, a closure may contains nested dead hidden closures, so we need to mark them dead as well. Fixes #51839 Change-Id: Ib54581adfc1bdea60e74d733cd30fd8e783da983 Reviewed-on: https://go-review.googlesource.com/c/go/+/394079 Trust: Cuong Manh Le Run-TryBot: Cuong Manh Le TryBot-Result: Gopher Robot Reviewed-by: Cherry Mui --- src/cmd/compile/internal/deadcode/deadcode.go | 1 + 1 file changed, 1 insertion(+) (limited to 'src/cmd/compile/internal/deadcode/deadcode.go') diff --git a/src/cmd/compile/internal/deadcode/deadcode.go b/src/cmd/compile/internal/deadcode/deadcode.go index 65a48b6803..c37a5a6990 100644 --- a/src/cmd/compile/internal/deadcode/deadcode.go +++ b/src/cmd/compile/internal/deadcode/deadcode.go @@ -163,4 +163,5 @@ func markHiddenClosureDead(n ir.Node) { if clo.Func.IsHiddenClosure() { clo.Func.SetIsDeadcodeClosure(true) } + ir.VisitList(clo.Func.Body, markHiddenClosureDead) } -- cgit v1.3