Review comments

Author: tkrodriguez

compiler/mx.compiler/mx_graal_tools.py

@@ -120,6 +120,7 @@ def _do_not_abort(msg):
                 mx.warn(f'mx help igv provides more details.')
 
     v24 = mx.VersionSpec("24")
+    # check for jargraal by looking for modules that are used by jdk.graal.compiler.
     if jdk.version >= v24 and 'org.graalvm.word' in (jmd.name for jmd in jdk.get_modules()):
         # disable JVMCI if jargraal is available to avoid collision with jdk.graal.compiler.graphio
         args.append('-J-XX:-UseJVMICompiler')