Drop assertSamePeriod

Author: odersky

compiler/src/dotty/tools/dotc/core/Contexts.scala

@@ -96,11 +96,11 @@ object Contexts {
     atPhase(if !limit.exists || limit <= currentPhase then currentPhase else limit)(op)
 
   inline def currentPeriod(using ctx: Ctx, cs: CState): Period =
-    assertSamePeriod()
+   // assertSamePeriod()
     cs
 
-  def assertSamePeriod()(using ctx: Ctx, cs: CState) =
-    assert(ctx.asInstanceOf[Context].period == cs, s"period discrepancy, in context = ${ctx.asInstanceOf[Context].period}, state = $cs")
+  def assertSamePeriod()(using ctx: Ctx, cs: CState) = ()
+//    assert(ctx.asInstanceOf[Context].period == cs, s"period discrepancy, in context = ${ctx.asInstanceOf[Context].period}, state = $cs")
 
   inline def currentPhase(using ctx: Ctx, cs: CState): Phase = ctx.base.phases(currentPeriod.firstPhaseId)
 
@@ -757,21 +757,7 @@ object Contexts {
       def withNotNullInfos(infos: List[NotNullInfo])(using CState): Ctx =
         if c.notNullInfos eq infos then c else c.fresh.setNotNullInfos(infos)
   end ops
-/*
-  // TODO: Fix issue when converting ModeChanges and FreshModeChanges to extension givens
-  implicit class ModeChanges(val c: Context) extends AnyVal {
-    final def withModeBits(mode: Mode): Context =
-      if (mode != c.mode) c.fresh.setMode(mode) else c
-
-    final def addMode(mode: Mode): Context = withModeBits(c.mode | mode)
-    final def retractMode(mode: Mode): Context = withModeBits(c.mode &~ mode)
-  }
 
-  implicit class FreshModeChanges(val c: FreshContext) extends AnyVal {
-    final def addMode(mode: Mode): c.type = c.setMode(c.mode | mode)
-    final def retractMode(mode: Mode): c.type = c.setMode(c.mode &~ mode)
-  }
-*/
   /** Test `op` in a fresh context with a typerstate that is not committable.
    *  The passed context may not survive the operation.
    */