[Emacs-diffs] trunk r113470: * lread.c (Fload): Avoid initialization only when lint checking.

[Paul Eggert]

------------------------------------------------------------
revno: 113470
revision-id: address@hidden
parent: address@hidden
committer: Paul Eggert <address@hidden>
branch nick: trunk
timestamp: Sat 2013-07-20 07:21:25 -0700
message:
  * lread.c (Fload): Avoid initialization only when lint checking.
  
  Mention that it's needed only for older GCCs.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/lread.c                    lread.c-20091113204419-o5vbwnq5f7feedwu-266

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2013-07-20 11:51:53 +0000
+++ b/src/ChangeLog     2013-07-20 14:21:25 +0000
@@ -1,3 +1,8 @@
+2013-07-20  Paul Eggert  <address@hidden>
+
+       * lread.c (Fload): Avoid initialization only when lint checking.
+       Mention that it's needed only for older GCCs.
+
 2013-07-20  Kenichi Handa  <address@hidden>
 
        * coding.c (CODING_ISO_FLAG_LEVEL_4): New macro.

=== modified file 'src/lread.c'
--- a/src/lread.c       2013-07-20 08:25:46 +0000
+++ b/src/lread.c       2013-07-20 14:21:25 +0000
@@ -1044,7 +1044,7 @@
 {
   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 @@
 #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);