Rename allowExperimentalFeatures --> compilerSupportsExperimental

Author: odersky

compiler/src/dotty/tools/dotc/config/Config.scala

@@ -225,6 +225,6 @@ object Config {
    *  `Properties.experimental`. Can be re-assigned, e.g. to allow tests
    *  of experimental features.
    */
-  @sharable private[dotty] var allowExperimentalFeatures =
+  @sharable private[dotty] var compilerSupportsExperimental =
     Properties.experimental && !assumeNonExperimentalCompiler
 }

compiler/src/dotty/tools/dotc/config/Feature.scala

@@ -97,11 +97,11 @@ object Feature:
     else
       false
 
-  def allowExperimentalFeatures(using Context) =
-    Config.allowExperimentalFeatures && !ctx.settings.YnoExperimental.value
+  def compilerSupportsExperimental(using Context) =
+    Config.compilerSupportsExperimental && !ctx.settings.YnoExperimental.value
 
   def checkExperimentalFeature(which: String, srcPos: SrcPos = NoSourcePosition)(using Context) =
-    if !allowExperimentalFeatures then
+    if !compilerSupportsExperimental then
       report.error(i"Experimental feature$which may only be used with nightly or snapshot version of compiler", srcPos)
 
   /** Check that experimental compiler options are only set for snapshot or nightly compiler versions. */

compiler/test/dotty/tools/vulpix/ParallelTesting.scala

@@ -39,7 +39,7 @@ import dotty.tools.vulpix.TestConfiguration.defaultOptions
 trait ParallelTesting extends RunnerOrchestration { self =>
   import ParallelTesting._
 
-  Config.allowExperimentalFeatures = true
+  Config.compilerSupportsExperimental = true
 
   /** If the running environment supports an interactive terminal, each `Test`
    *  will be run with a progress bar and real time feedback