1 files changed, 5 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala b/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
index e0dbe98780..b9cff5b2d3 100644
--- a/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
@@ -1307,6 +1307,11 @@ trait ContextErrors {
       throw MacroBodyTypecheckException // don't call fail, because we don't need IS_ERROR
     }
 
+    def MacroDefIsQmarkQmarkQmark() = {
+      macroLogVerbose("typecheck terminated unexpectedly: macro is ???")
+      throw MacroBodyTypecheckException
+    }
+
     def MacroFeatureNotEnabled() = {
       macroLogVerbose("typecheck terminated unexpectedly: language.experimental.macros feature is not enabled")
       fail()