Quote names when necessary in Symbol#normalized

scalafix-core/src/main/scala/scala/meta/internal/scalafix/ScalafixScalametaHacks.scala

@@ -3,6 +3,7 @@ package scala.meta.internal.scalafix
 import scala.meta.Dialect
 import scala.meta.Tree
 import scala.meta.dialects
+import scala.meta.internal.semanticdb.Scala.Names
 import scala.meta.internal.trees.Origin
 
 object ScalafixScalametaHacks {
@@ -11,4 +12,5 @@ object ScalafixScalametaHacks {
     else if (language.isEmpty) dialects.Scala212
     else Dialect.standards(language)
   def resetOrigin(tree: Tree): Tree = tree.withOrigin(Origin.None)
+  def encode(name: String): String = Names.encode(name)
 }

scalafix-core/src/main/scala/scalafix/internal/util/SymbolOps.scala

@@ -2,6 +2,7 @@ package scalafix.internal.util
 
 import scala.meta._
 import scala.meta.internal.ScalametaInternals
+import scala.meta.internal.scalafix.ScalafixScalametaHacks
 import scala.meta.internal.semanticdb.Scala._
 import scalafix.v0._
 import scalafix.v1
@@ -69,7 +70,7 @@ object SymbolOps {
           val (owner, desc) =
             ScalametaInternals.symbolOwnerAndDescriptor(symbol)
           loop(owner)
-          sb.append(desc.name).append(".")
+          sb.append(ScalafixScalametaHacks.encode(desc.name.value)).append(".")
         }
       }
       loop(sym.value)

scalafix-tests/shared/src/main/scala/test/SymbolTest.scala

@@ -0,0 +1,9 @@
+package test
+
+import a.`b.c`.d
+
+object a {
+  object `b.c` {
+    object d
+  }
+}

scalafix-tests/unit/src/test/scala/scalafix/tests/v1/SymbolSuite.scala

@@ -0,0 +1,19 @@
+package scalafix.tests.v1
+
+import org.scalatest.FunSuite
+import scala.meta.Import
+import scala.meta.Importer
+import scalafix.tests.core.BaseSemanticSuite
+
+class SymbolSuite extends FunSuite {
+  implicit val doc = BaseSemanticSuite.loadDoc("SymbolTest.scala")
+
+  test("normalized") {
+    val ref :: Nil = doc.tree.collect {
+      case Import(Importer(ref, _) :: Nil) => ref
+    }
+
+    import scalafix.v1._
+    assert(ref.symbol.normalized.owner.value == "test.a.")
+  }
+}