Make atPhase inline

Author: odersky

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

@@ -21,7 +21,7 @@ abstract class Periods { thisCtx: Context =>
     op(thisCtx.fresh.setPeriod(pd))
 
   /** Execute `op` at given phase id */
-  def atPhase[T](pid: PhaseId)(op: Context ?=> T): T =
+  inline def atPhase[T](pid: PhaseId)(inline op: Context ?=> T): T =
     op(using thisCtx.withPhase(pid))
 
   /** The period containing the current period where denotations do not change.

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

@@ -31,7 +31,7 @@ trait Phases {
     }
 
   /** Execute `op` at given phase */
-  def atPhase[T](phase: Phase)(op: Context ?=> T): T =
+  inline def atPhase[T](phase: Phase)(inline op: Context ?=> T): T =
     atPhase(phase.id)(op)
 
   def atNextPhase[T](op: Context ?=> T): T = atPhase(phase.next)(op)