diff options
| author | Jason Zaugg <jzaugg@gmail.com> | 2013-08-29 10:53:12 +0200 |
|---|---|---|
| committer | Jason Zaugg <jzaugg@gmail.com> | 2013-08-29 10:55:43 +0200 |
| commit | 6ad8eb4d899e08288f7c9243910f9c154b9fa21d (patch) | |
| tree | ede537511e6e1d57aaf28d1496640da42498aa59 /src | |
| parent | 26dfa54ef31687e4c3e5b85be476ee5759f77950 (diff) | |
| download | scala-6ad8eb4d899e08288f7c9243910f9c154b9fa21d.tar.gz scala-6ad8eb4d899e08288f7c9243910f9c154b9fa21d.tar.bz2 scala-6ad8eb4d899e08288f7c9243910f9c154b9fa21d.zip | |
SI-7763 Don't eliminate CHECK_CAST in dead code elimination.
Even if the result isn't used, the potential ClassCastException
is observable, so we must retain them.
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala b/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala index 483bff6467..7511da8b00 100644 --- a/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala +++ b/src/compiler/scala/tools/nsc/backend/opt/DeadCodeElimination.scala @@ -159,7 +159,7 @@ abstract class DeadCodeElimination extends SubComponent { case RETURN(_) | JUMP(_) | CJUMP(_, _, _, _) | CZJUMP(_, _, _, _) | STORE_FIELD(_, _) | THROW(_) | LOAD_ARRAY_ITEM(_) | STORE_ARRAY_ITEM(_) | SCOPE_ENTER(_) | SCOPE_EXIT(_) | STORE_THIS(_) | - LOAD_EXCEPTION(_) | SWITCH(_, _) | MONITOR_ENTER() | MONITOR_EXIT() => + LOAD_EXCEPTION(_) | SWITCH(_, _) | MONITOR_ENTER() | MONITOR_EXIT() | CHECK_CAST(_) => moveToWorkList() case CALL_METHOD(m1, _) if isSideEffecting(m1) => |