--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.processor/src/org/graalvm/compiler/replacements/processor/GeneratedPlugin.java	Fri Aug 17 11:56:59 2018 -0500
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.processor/src/org/graalvm/compiler/replacements/processor/GeneratedPlugin.java	Fri Aug 17 13:20:53 2018 -0700
@@ -51,7 +51,8 @@
     public GeneratedPlugin(ExecutableElement intrinsicMethod) {
         this.intrinsicMethod = intrinsicMethod;
         this.needInjectionProvider = false;
-        this.pluginName = intrinsicMethod.getEnclosingElement().getSimpleName() + "_" + intrinsicMethod.getSimpleName();
+        // Lets keep generated class names short to mitigate hitting file name length limits.
+        this.pluginName = intrinsicMethod.getSimpleName().toString();
     }
 
     protected abstract TypeElement getAnnotationClass(AbstractProcessor processor);