[breaking-batch] Move more uses of `panictry!` out of libsyntax#31631

Merged

bors merged 2 commits intorust-lang:masterfrom jonas-schievink:agoraphobia

Mar 9, 2016

+129-119

Commits on Feb 16, 2016

Move more uses of panictry! out of libsyntax
jonas-schievink
committed

Commits on Feb 19, 2016

Do less panicking in general
jonas-schievink
committed