[Truffle] Fix -X+T in PE tests.

Author: chrisseaton

test/pom.rb

@@ -325,6 +325,7 @@ def truffle_spec_config(spec_type, generate_report)
                         '<exec dir="${jruby.home}" executable="${jruby.home}/bin/jruby" failonerror="true">' +
                           '<arg value="-J-server" />' +
                           '<arg value="-J-G:+TruffleCompilationExceptionsAreThrown" />' +
+                          '<arg value="-X+T" />' +
                           '<arg value="test/truffle/pe/pe.rb" />' +
                         '</exec>' +
                       '</target>' ) ] )

test/pom.xml

@@ -1012,6 +1012,7 @@
                     <exec failonerror="true" dir="${jruby.home}" executable="${jruby.home}/bin/jruby">
                       <arg value="-J-server" />
                       <arg value="-J-G:+TruffleCompilationExceptionsAreThrown" />
+                      <arg value="-X+T" />
                       <arg value="test/truffle/pe/pe.rb" />
                     </exec>
                   </target>