From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 17 Mar 2011 02:11:29 +0000 (-0700)
Subject: * bytecode.c (MAYBE_GC): Rewrite so as not to use empty "else".
X-Git-Tag: emacs-pretest-24.0.90~104^2~275^2~554^2~5
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7914961cd705c8a88734ff87c581924bf48c3fe3;p=emacs.git

* bytecode.c (MAYBE_GC): Rewrite so as not to use empty "else".
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 5abc9b66475..9dcab33fed5 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-03-17  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* bytecode.c (MAYBE_GC): Rewrite so as not to use empty "else".
+
 	* unexelf.c (unexec): Name an expression,
 	to avoid gcc -Wbad-function-cast warning.
 	Use a different way to cause a compilation error if anyone uses
diff --git a/src/bytecode.c b/src/bytecode.c
index bb4e87c019d..fca8a8e1ebe 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -363,6 +363,7 @@ unmark_byte_stack (void)
    We do this at every branch, to avoid loops that never GC.  */
 
 #define MAYBE_GC()					\
+ do {							\
   if (consing_since_gc > gc_cons_threshold		\
       && consing_since_gc > gc_relative_threshold)	\
     {							\
@@ -370,7 +371,7 @@ unmark_byte_stack (void)
       Fgarbage_collect ();				\
       AFTER_POTENTIAL_GC ();				\
     }							\
-  else
+ } while (0)
 
 /* Check for jumping out of range.  */