From: Stefan Monnier <monnier@iro.umontreal.ca>
Date: Thu, 7 Dec 2000 12:00:51 +0000 (+0000)
Subject: (gc_sweep): Add comment.
X-Git-Tag: emacs-pretest-21.0.93~118
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=2003532193f74648fd709e36efe1bd83fdd66473;p=emacs.git

(gc_sweep): Add comment.
---

diff --git a/src/alloc.c b/src/alloc.c
index 83007657e20..eba9d867c8c 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -4774,6 +4774,9 @@ gc_sweep ()
 
 	for (; sym < end; ++sym)
 	  {
+	    /* Check if the symbol was created during loadup.  In such a case
+	       it might be pointed to by pure bytecode which we don't trace,
+	       so we conservatively assume that it is live.  */
 	    int pure_p = PURE_POINTER_P (sym->name);
 	    
 	    if (!XMARKBIT (sym->plist) && !pure_p)