From: Stephen Adams <edu/mit/csail/zurich/adams>
Date: Fri, 7 Jul 1995 03:54:19 +0000 (+0000)
Subject: Don't optimize away (LET () ...) if the body of the let contains
X-Git-Tag: 20090517-FFI~6201
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=3c29b4fdd5555b95b1106562df3620b80d1a8467;p=mit-scheme.git

Don't optimize away (LET () ...) if the body of the let contains
declarations.
---

diff --git a/v8/src/sf/subst.scm b/v8/src/sf/subst.scm
index 6f6ca74ee..3e978e29f 100644
--- a/v8/src/sf/subst.scm
+++ b/v8/src/sf/subst.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Id: subst.scm,v 1.1 1995/03/07 22:13:23 adams Exp $
+$Id: subst.scm,v 1.2 1995/07/07 03:54:19 adams Exp $
 
-Copyright (c) 1988-1993 Massachusetts Institute of Technology
+Copyright (c) 1988-1995 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -991,6 +991,8 @@ forms are simply removed.
 
 	((and (procedure? operator)
 	      (block/safe? (procedure/block operator))
+	      (null? (declarations/original
+		      (block/declarations (procedure/block operator))))
 	      (for-all? (procedure/optional operator)
 		variable/integrated)
 	      (or (not (procedure/rest operator))