This is git-head only regression.
Introduced commit:
SHA-1: 826f31641e705017b7d55527f7a93475dd7c8581
* Merge pull request #3110 from yebblies/inlinecost
[refactor] Move inlineCost and inlineCost3 to a visitor class
More shorter command line to reproduce ICE:
dmd -lib -ofphobos.lib -Xfphobos.json -O -release -inline -nofloat -w std\format.d
Compiler fix:
https://github.com/D-Programming-Language/dmd/pull/3159
Comment #2 by github-bugzilla — 2014-01-26T08:25:37Z