elixir-lang/elixir — pull request #2498 by jw2013 (2014-07-07 04:47:39+00:00)
Title: produce better error when compiling binary

This fix issue #2449.

Now following code:
```
"\"" <> value <> "\"" = "\"abc\""
```
Raises:
```
** (UnsizedBinaryAtEndError) unsized binary cannot be at the end of patterns
```