From 877574725ba251be743c47ecbe49958b6cf8b814 Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josharian@gmail.com>
Date: Fri, 31 Mar 2017 18:06:19 -0700
Subject: [PATCH] cmd/compile: enforce that all nodes are used when generating
 DWARF

No particular need for this,
but it's nice to enforce invariants
when they are available.

Change-Id: Ia6fa88dc4116f65dac2879509746e123e2c1862a
Reviewed-on: https://go-review.googlesource.com/39201
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
---
 src/cmd/compile/internal/gc/pgen.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/compile/internal/gc/pgen.go b/src/cmd/compile/internal/gc/pgen.go
index 06b7e5a691..d835d949de 100644
--- a/src/cmd/compile/internal/gc/pgen.go
+++ b/src/cmd/compile/internal/gc/pgen.go
@@ -327,7 +327,7 @@ func debuginfo(fnsym *obj.LSym, curfn interface{}) []*dwarf.Var {
 		switch n.Class {
 		case PAUTO:
 			if !n.Used() {
-				continue
+				Fatalf("debuginfo unused node (AllocFrame should truncate fn.Func.Dcl)")
 			}
 			name = obj.NAME_AUTO
 
-- 
2.48.1