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Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/scala/tools/nsc/matching/ParallelMatching.scala | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala b/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala index 6dd1996074..315ce16562 100644 --- a/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala +++ b/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala @@ -788,7 +788,8 @@ trait ParallelMatching extends ast.TreeDSL { protected def lengthCheck(tree: Tree, len: Int, op: TreeFunction2) = { def compareOp = head.tpe member nme.lengthCompare // symbol for "lengthCompare" method - typer typed op((tree.duplicate DOT compareOp)(LIT(len)), ZERO) + // first ascertain lhs is not null: bug #2241 + typer typed((tree OBJ_!= NULL) AND op((tree.duplicate DOT compareOp)(LIT(len)), ZERO)) } // precondition for matching: sequence is exactly length of arg |