On Thursday, 28 February 2013 at 23:24:01 UTC, Walter Bright wrote: > On 2/28/2013 2:16 PM, Timon Gehr wrote: >> // expression simplification >> // (eg. trivial peephole for x!=a && x==b case sufficient) > > Hmm, I hadn't thought of that. Some checking shows that VC and > DMC do not do it, gcc and clang do. Finally we are getting somewhere.