diff options
Diffstat (limited to 'src/compiler')
4 files changed, 24 insertions, 13 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/icode/Members.scala b/src/compiler/scala/tools/nsc/backend/icode/Members.scala index 12daa32186..248a505b54 100644 --- a/src/compiler/scala/tools/nsc/backend/icode/Members.scala +++ b/src/compiler/scala/tools/nsc/backend/icode/Members.scala @@ -46,8 +46,13 @@ trait Members { def touched = _touched def touched_=(b: Boolean): Unit = { - if (b) - blocks foreach (_.touched = true) + @annotation.tailrec def loop(xs: List[BasicBlock]) { + xs match { + case Nil => + case x :: xs => x.touched = true ; loop(xs) + } + } + if (b) loop(blocks.toList) _touched = b } diff --git a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala index cb58111b51..04e860f9db 100644 --- a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala +++ b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala @@ -1225,16 +1225,20 @@ abstract class ClassfileParser { } def skipAttributes() { - val attrCount = in.nextChar - for (i <- 0 until attrCount) { - in.skip(2); in.skip(in.nextInt) + var attrCount: Int = in.nextChar + while (attrCount > 0) { + in skip 2 + in skip in.nextInt + attrCount -= 1 } } def skipMembers() { - val memberCount = in.nextChar - for (i <- 0 until memberCount) { - in.skip(6); skipAttributes() + var memberCount: Int = in.nextChar + while (memberCount > 0) { + in skip 6 + skipAttributes() + memberCount -= 1 } } diff --git a/src/compiler/scala/tools/nsc/transform/SpecializeTypes.scala b/src/compiler/scala/tools/nsc/transform/SpecializeTypes.scala index 173ca1e628..116b6ab58f 100644 --- a/src/compiler/scala/tools/nsc/transform/SpecializeTypes.scala +++ b/src/compiler/scala/tools/nsc/transform/SpecializeTypes.scala @@ -10,6 +10,7 @@ import scala.tools.nsc.symtab.Flags import scala.collection.{ mutable, immutable } import scala.language.postfixOps import scala.language.existentials +import scala.annotation.tailrec /** Specialize code on types. * @@ -403,11 +404,11 @@ abstract class SpecializeTypes extends InfoTransform with TypingTransformers { case _ => false }) def specializedTypeVars(tpes: List[Type]): immutable.Set[Symbol] = { - if (tpes.isEmpty) immutable.Set.empty else { - val buf = Set.newBuilder[Symbol] - tpes foreach (tp => buf ++= specializedTypeVars(tp)) - buf.result + @tailrec def loop(result: immutable.Set[Symbol], xs: List[Type]): immutable.Set[Symbol] = { + if (xs.isEmpty) result + else loop(result ++ specializedTypeVars(xs.head), xs.tail) } + loop(immutable.Set.empty, tpes) } def specializedTypeVars(sym: Symbol): immutable.Set[Symbol] = ( if (definitions.neverHasTypeParameters(sym)) immutable.Set.empty diff --git a/src/compiler/scala/tools/nsc/transform/UnCurry.scala b/src/compiler/scala/tools/nsc/transform/UnCurry.scala index 6e89f6387e..f4e40a216e 100644 --- a/src/compiler/scala/tools/nsc/transform/UnCurry.scala +++ b/src/compiler/scala/tools/nsc/transform/UnCurry.scala @@ -114,7 +114,8 @@ abstract class UnCurry extends InfoTransform def isByNameRef(tree: Tree) = ( tree.isTerm && !byNameArgs(tree) - && tree.hasSymbolWhich(isByName) + && (tree.symbol ne null) + && (isByName(tree.symbol)) ) /** Uncurry a type of a tree node. |