* flowanalysis.cs (UsageVector.MergeJumpOrigins): Kill.
(FlowBranchingBlock.Label): Use UsageVector.MergeOrigins.
(FlowBranchingException.Label): Likewise.
In gmcs:
* flowanalysis.cs (UsageVector.MergeJumpOrigins): Kill.
(FlowBranchingBlock.Label): Use UsageVector.MergeOrigins.
(FlowBranchingException.Label): Likewise.
In tests:
* test-154.cs (test39): Move buggy testcase to errors/cs0177-7.cs.
Fix it and move ...
* test-510.cs: ... here.
In errors:
* cs0177-7.cs: Taken from erroneous sub-test in tests/test-154.cs.
svn path=/trunk/mcs/; revision=60584