From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 20 Jul 2013 14:21:25 +0000 (-0700)
Subject: * lread.c (Fload): Avoid initialization only when lint checking.
X-Git-Tag: emacs-24.3.90~173^2^2~42^2~45^2~387^2~1758
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b2a069c2f80cb2fdd683f5e044642b058c4d2326;p=emacs.git

* lread.c (Fload): Avoid initialization only when lint checking.

Mention that it's needed only for older GCCs.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 5f3a48cbe88..c88951f9422 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2013-07-20  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* lread.c (Fload): Avoid initialization only when lint checking.
+	Mention that it's needed only for older GCCs.
+
 2013-07-20  Kenichi Handa  <handa@gnu.org>
 
 	* coding.c (CODING_ISO_FLAG_LEVEL_4): New macro.
diff --git a/src/lread.c b/src/lread.c
index e701338da31..57c7df74127 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1044,7 +1044,7 @@ Return t if the file exists and loads successfully.  */)
 {
   FILE *stream;
   int fd;
-  int fd_index = 0;
+  int fd_index;
   ptrdiff_t count = SPECPDL_INDEX ();
   struct gcpro gcpro1, gcpro2, gcpro3;
   Lisp_Object found, efound, hist_file_name;
@@ -1175,7 +1175,12 @@ Return t if the file exists and loads successfully.  */)
 #endif
     }
 
-  if (fd >= 0)
+  if (fd < 0)
+    {
+      /* Pacify older GCC with --enable-gcc-warnings.  */
+      IF_LINT (fd_index = 0);
+    }
+  else
     {
       fd_index = SPECPDL_INDEX ();
       record_unwind_protect_int (close_file_unwind, fd);