[Bug middle-end/57370] [4.9 Regression] compile time hog in reassoc

[Joost.VandeVondele at mat dot ethz.ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57370

--- Comment #3 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 
---
I actually suspect the compilation is in an infinite loop. Still running after
15min.