bors 80a2306aee auto merge of #11662 : alexcrichton/rust/faster-parens, r=huonw
The included test case would essentially never finish compiling without this
patch. It recursies twice at every ExprParen meaning that the branching factor
is 2^n

The included test case will take so long to parse on the old compiler that it'll
surely never let this crop up again.
2014-01-20 20:06:23 -08:00
..
2014-01-12 17:45:22 -08:00