Fix bug #9139 with revisiting non-existent files.

 src/fileio.c (Finsert_file_contents): If the file cannot be opened,
 set its "size" to -1.  This will set the modtime_size field of
 the corresponding buffer to -1, which is what
 verify-visited-file-modtime expects for files that do not exist.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index da0576fdb46..d9891e457ac 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,11 @@
+2011-09-11  Eli Zaretskii  <eliz@gnu.org>
+
+        * fileio.c (Finsert_file_contents): If the file cannot be opened,
+        set its "size" to -1.  This will set the modtime_size field of
+        the corresponding buffer to -1, which is what
+        verify-visited-file-modtime expects for files that do not exist.
+        (Bug#9139)
+
 2011-09-11  Paul Eggert  <eggert@cs.ucla.edu>
 
         * keymap.h (KEY_DESCRIPTION_SIZE, push_key_description): Move decls
diff --git a/src/fileio.c b/src/fileio.c
index 2b31e18442b..2c478bac98f 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -3253,6 +3253,7 @@ variable `last-coding-system-used' to the coding system actually used.  */)
       if (NILP (visit))
         report_file_error ("Opening input file", Fcons (orig_filename, Qnil));
       st.st_mtime = -1;
+      st.st_size = -1;
       how_much = 0;
       if (!NILP (Vcoding_system_for_read))
         Fset (Qbuffer_file_coding_system, Vcoding_system_for_read);