From b5c66de0892d0e9f3f59126eeebc31070e79143b Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josharian@gmail.com>
Date: Wed, 4 Mar 2020 07:24:56 -0800
Subject: [PATCH] cmd/compile: make ssa.Edge a stringer

To aid in debugging.

Change-Id: I2330499b5f2ecbeb02f7e3bc0b17ded755d5c685
Reviewed-on: https://go-review.googlesource.com/c/go/+/222617
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
---
 src/cmd/compile/internal/ssa/block.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cmd/compile/internal/ssa/block.go b/src/cmd/compile/internal/ssa/block.go
index 205fcfc707..c1a734b20b 100644
--- a/src/cmd/compile/internal/ssa/block.go
+++ b/src/cmd/compile/internal/ssa/block.go
@@ -101,6 +101,9 @@ func (e Edge) Block() *Block {
 func (e Edge) Index() int {
 	return e.i
 }
+func (e Edge) String() string {
+	return fmt.Sprintf("{%v,%d}", e.b, e.i)
+}
 
 //     kind          controls        successors
 //   ------------------------------------------
-- 
2.50.0