[15] RFR(XXS): 8248475: Suppress unconditional warning "JFR will be disabled during CDS dumping"

[Markus Gronlund]

Greetings,

Please review this small change to restore the warning output to pre-JDK-8241718. 

Bug: https://bugs.openjdk.java.net/browse/JDK-8248475

diff -r a707b9457c83 -r ca52af8d993e src/hotspot/share/jfr/recorder/jfrRecorder.cpp
--- a/src/hotspot/share/jfr/recorder/jfrRecorder.cpp   Mon Jun 29 08:21:42 2020 +0200
+++ b/src/hotspot/share/jfr/recorder/jfrRecorder.cpp   Mon Jun 29 12:10:26 2020 +0200
@@ -173,7 +173,7 @@

 static bool is_cds_dump_requested() {
   // we will not be able to launch recordings on startup if a cds dump is being requested
-  if (Arguments::is_dumping_archive()) {
+  if (Arguments::is_dumping_archive() && JfrOptionSet::start_flight_recording_options() != NULL) {
     warning("JFR will be disabled during CDS dumping");
     teardown_startup_support();
     return true;

Thanks to Claes Redestad for reporting this.

Thanks
Markus