8241232: -XX:+BootstrapJVMCI is not compatible with TieredStopAtLevel < CompLevel_full_optimization

Reviewed-by: kvn, thartmann

src/hotspot/share/jvmci/jvmci_globals.cpp

@@ -92,6 +92,11 @@ bool JVMCIGlobals::check_jvmci_flags_are_consistent() {
       jio_fprintf(defaultStream::error_stream(), "-XX:+BootstrapJVMCI is not compatible with -XX:+UseJVMCINativeLibrary\n");
       return false;
     }
+    if (BootstrapJVMCI && (TieredStopAtLevel < CompLevel_full_optimization)) {
+      jio_fprintf(defaultStream::error_stream(),
+          "-XX:+BootstrapJVMCI is not compatible with -XX:TieredStopAtLevel=%d\n", TieredStopAtLevel);
+      return false;
+    }
   }
 
   if (!EnableJVMCI) {

test/hotspot/jtreg/compiler/jvmci/errors/TestInvalidTieredStopAtLevel.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
+ * DO NOT ALTER OR REMOVE NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation. THL A29 Limited designates
+ * this particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2 for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * @test
+ * @bug 8241232
+ * @requires vm.jvmci
+ * @library /test/lib
+ * @build TestInvalidTieredStopAtLevel jdk.test.lib.process.*
+ * @run main TestInvalidTieredStopAtLevel
+ */
+
+import jdk.test.lib.process.ProcessTools;
+
+public class TestInvalidTieredStopAtLevel {
+    public static void main(String... args) throws Exception {
+        ProcessTools.executeTestJava("-XX:+UnlockExperimentalVMOptions",
+                                     "-XX:+UseJVMCICompiler",
+                                     "-XX:+BootstrapJVMCI",
+                                     "-XX:TieredStopAtLevel=1",
+                                     "-Xcomp")
+                .outputTo(System.out)
+                .errorTo(System.out)
+                .stdoutShouldNotContain("hs_err");
+    }
+}