--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java	Thu Sep 05 12:39:48 2019 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java	Thu Sep 12 17:47:24 2019 +0200
@@ -1735,7 +1735,6 @@
                 log.warning(Warnings.ProcUseProcOrImplicit);
         }
         chk.reportDeferredDiagnostics();
-        preview.reportDeferredDiagnostics();
         if (log.compressedOutput) {
             log.mandatoryNote(null, Notes.CompressedDiags);
         }