Only expand fully applied methods

Author: nicolasstucki

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

@@ -54,9 +54,10 @@ class Inlining extends MacroTransform {
           else super.transform(tree)
         case _: Typed | _: Block =>
           super.transform(tree)
-        case _ if Inliner.isInlineable(tree) =>
-          val inlined = Inliner.inlineCall(tree)
-          transform(inlined)
+        case _ if Inliner.isInlineable(tree) && !tree.tpe.widen.isInstanceOf[MethodOrPoly] =>
+          val tree1 = super.transform(tree)
+          val inlined = Inliner.inlineCall(tree1)
+          inlined
         case _ =>
           super.transform(tree)
 

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -39,7 +39,7 @@ class CompilationTests {
       compileFilesInDir("tests/new", defaultOptions),
       compileFilesInDir("tests/pos-scala2", scala2CompatMode),
       compileFilesInDir("tests/pos-custom-args/erased", defaultOptions.and("-Yerased-terms")),
-      compileFilesInDir("tests/pos", defaultOptions),
+      compileFilesInDir("tests/pos", defaultOptions /*and "-Yinline-blackbox-after-typer"*/),
       compileFilesInDir("tests/pos-deep-subtype", allowDeepSubtypes),
       compileFile(
         // succeeds despite -Xfatal-warnings because of -nowarn