1 files changed, 4 insertions, 1 deletions
diff --git a/sample/test.rb b/sample/test.rb
index e7f2d251b7..741e96ee9d 100644
--- a/sample/test.rb
+++ b/sample/test.rb
@@ -1697,7 +1697,10 @@ else
 end
 
 def valid_syntax?(code, fname)
-  eval("BEGIN {return true}\n#{code}", nil, fname, 0)
+  code = code.sub(/\A(?:\s*\#.*$)*(\n)?/n) {
+    "#$&#{"\n" if $1 && !$2}BEGIN{return true}\n"
+  }
+  eval(code, nil, fname, 0)
 rescue Exception
   puts $!.message
   false