Micro-optimization: touch fewer denotations

Author: liufengyun

compiler/src/dotty/tools/dotc/ast/TreeInfo.scala

@@ -785,8 +785,8 @@ trait TypedTreeInfo extends TreeInfo[Type] { self: Trees.Instance[Type] =>
   def tupleArgs(tree: Tree)(using Context): List[Tree] = tree match {
     case Block(Nil, expr) => tupleArgs(expr)
     case Inlined(_, Nil, expr) => tupleArgs(expr)
-    case Apply(fn, args)
-    if fn.symbol.name == nme.apply &&
+    case Apply(fn: NameTree, args)
+    if fn.name == nme.apply &&
         fn.symbol.owner.is(Module) &&
         defn.isTupleClass(fn.symbol.owner.companionClass) => args
     case _ => Nil

compiler/src/dotty/tools/dotc/transform/FunctionXXLForwarders.scala

@@ -41,8 +41,8 @@ class FunctionXXLForwarders extends MiniPhase with IdentityDenotTransformer {
 
     val forwarders =
       for {
-        tree <- if (impl.symbol.owner.is(Trait)) Nil else impl.body
-        if tree.symbol.is(Method) && tree.symbol.name == nme.apply &&
+        ddef: DefDef <- if (impl.symbol.owner.is(Trait)) Nil else impl.body
+        if ddef.name == nme.apply && tree.symbol.is(Method) &&
            tree.symbol.signature.paramsSig.size > MaxImplementedFunctionArity &&
            tree.symbol.allOverriddenSymbols.exists(sym => defn.isXXLFunctionClass(sym.owner))
       }