From ee7936804a093fa0608234ec17cea7b61ff44ae5 Mon Sep 17 00:00:00 2001
From: wlott <wlott>
Date: Sun, 22 Apr 1990 02:51:18 +0000
Subject: [PATCH] Changed delete-unreferences-tns to only nuke the tn is it's
 :normal. Therefore, :component tns will not be removed.

---
 compiler/tn.lisp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/tn.lisp b/compiler/tn.lisp
index 9e2fee848..ea0a1afa0 100644
--- a/compiler/tn.lisp
+++ b/compiler/tn.lisp
@@ -50,7 +50,9 @@
 	       `(let ((prev nil))
 		  (do ((tn ,name (tn-next tn)))
 		      ((null tn))
-		    (cond ((or (tn-reads tn) (tn-writes tn))
+		    (cond ((or (not (eq (tn-kind tn) :normal))
+			       (tn-reads tn)
+			       (tn-writes tn))
 			   (setq prev tn))
 			  (t
 			   (if prev
-- 
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