diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala b/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala index d176ef43e3..c591fee502 100644 --- a/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala +++ b/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala @@ -59,7 +59,7 @@ abstract class DeadCodeElimination extends SubComponent { val worklist: mutable.Set[(BasicBlock, Int)] = new mutable.LinkedHashSet /** what instructions have been marked as useful? */ - val useful: mutable.Map[BasicBlock, mutable.BitSet] = new mutable.HashMap + val useful: mutable.Map[BasicBlock, mutable.BitSet] = perRunCaches.newMap() /** what local variables have been accessed at least once? */ var accessedLocals: List[Local] = Nil @@ -68,7 +68,7 @@ abstract class DeadCodeElimination extends SubComponent { var method: IMethod = _ /** Map instructions who have a drop on some control path, to that DROP instruction. */ - val dropOf: mutable.Map[(BasicBlock, Int), (BasicBlock, Int)] = new mutable.HashMap() + val dropOf: mutable.Map[(BasicBlock, Int), (BasicBlock, Int)] = perRunCaches.newMap() def dieCodeDie(m: IMethod) { if (m.code ne null) { |