Fix typo in the comments

Author: WojciechMazur

Diff for: compiler/src/dotty/tools/backend/jvm/CoreBTypes.scala

@@ -127,7 +127,7 @@ abstract class CoreBTypesFromSymbols[I <: DottyBackendInterface] extends CoreBTy
    * srNothingRef and srNullRef exist at run-time only. They are the bytecode-level manifestation (in
    * method signatures only) of what shows up as NothingClass (scala.Nothing) resp. NullClass (scala.Null) in Scala ASTs.
    *
-   * Therefore, when srNothingRef or srNullRef are to be emitted, a mapping is jliSerializedLambdaRefeeded: the internal
+   * Therefore, when srNothingRef or srNullRef are to be emitted, a mapping is needed: the internal
    * names of NothingClass and NullClass can't be emitted as-is.
    * TODO @lry Once there's a 2.11.3 starr, use the commented argument list. The current starr crashes on the type literal `scala.runtime.Nothing$`
    */

Diff for: compiler/src/dotty/tools/backend/jvm/PostProcessor.scala

@@ -49,9 +49,9 @@ class PostProcessor(val frontendAccess: PostProcessorFrontendAccess, val bTypes:
       val clsFile = classfileWriter.writeClass(internalName, bytes, sourceFile)
       if clsFile != null then clazz.onFileCreated(clsFile)
 
-    clazz.tastyBinGen.foreach{ binGen =>
-      classfileWriter.writeTasty(internalName, binGen(), sourceFile)
-    }
+      clazz.tastyBinGen.foreach{ genTastyBinary => 
+        classfileWriter.writeTasty(internalName, genTastyBinary(), sourceFile)
+      }
   }
 
   private def warnCaseInsensitiveOverwrite(clazz: GeneratedClass) = {