Remove ineffective overflow check

* src/fileio.c (Finsert_file_contents): Remove check for overflow.
The overflow is not possible, and the check was incorrectly
written and would not have caught it anyway.

1 files changed, 1 insertions, 4 deletions

diff --git a/src/fileio.c b/src/fileio.c
index ae6fbb7dc7a..b639be1493b 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -4873,10 +4873,7 @@ by calling `format-decode', which see.  */)
                 break;
               }
 
-            if (!integer_to_intmax (nbytes, &number)
-                && number > PTRDIFF_MAX)
-              buffer_overflow ();
-
+            integer_to_intmax (nbytes, &number);
             this = number;
           }
         else