aatch's cfg revisions, namely to match expressions#22580

Merged

bors merged 5 commits intorust-lang:masterfrom pnkfelix:guard-pat-cfg2

Feb 24, 2015

+353-166

Commits on Feb 22, 2015

Distinguish between AST and various Dummy nodes in CFG.

Aatch
authored and
pnkfelix
committed
remove the exit_map field, it is unnecessary.

Aatch
authored and
pnkfelix
committed
Add support for mapping a single ast-node to multiple cfg-nodes.

Aatch
authored and
pnkfelix
committed
revise handling of match expressions so that arms branch to next arm.

Aatch
authored and
pnkfelix
committed
Improve borrowck error when a second move is due to a loop.

Aatch
authored and
pnkfelix
committed