[Sass] Don't die if sassc files aren't long enough.

doc-src/SASS_CHANGELOG.md

@@ -3,6 +3,14 @@
 * Table of contents
 {:toc}
 
+## 2.2.20 (Unreleased)
+
+* If the cache file for a given Sass file is corrupt
+  because it doesn't have enough content,
+  produce a warning and read the Sass file
+  rather than letting the exception bubble up.
+  This is consistent with other sorts of sassc corruption handling.
+
 ## 2.2.19
 
 [Tagged on GitHub](http://github.com/nex3/haml/commit/2.2.18).

lib/sass/files.rb

@@ -104,7 +104,7 @@ def try_to_read_sassc(filename, compiled_filename, sha)
         return unless f.readline("\n").strip == sha
         return Marshal.load(f.read)
       end
-    rescue TypeError, ArgumentError => e
+    rescue EOFError, TypeError, ArgumentError => e
       warn "Warning. Error encountered while reading cache #{compiled_filename}: #{e}"
     end