--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/RetryableCompilationTest.java	2017-07-07 09:30:10.000000000 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/RetryableCompilationTest.java	2017-07-07 09:30:10.000000000 -0700
@@ -111,7 +111,7 @@
                 }
             }
             if (bgv == 0) {
-                Assert.fail(String.format("Expected at least one .bgv file in %s: %s", diagnosticOutputZip, entries));
+                Assert.fail(String.format("Expected at least one .bgv file in %s: %s%n%s", diagnosticOutputZip, entries, proc));
             }
             if (cfg == 0) {
                 Assert.fail(String.format("Expected at least one .cfg file in %s: %s", diagnosticOutputZip, entries));