diff -r 000000000000 -r f90c822e73f8 test/runtime/6929067/invoke.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/6929067/invoke.c	Wed Apr 27 01:25:04 2016 +0800
@@ -0,0 +1,90 @@
+#include <assert.h>
+#include <jni.h>
+#include <alloca.h>
+
+#include <pthread.h>
+
+union env_union
+{
+  void *void_env;
+  JNIEnv *jni_env;
+};
+
+union env_union tmp;
+JNIEnv* env;
+JavaVM* jvm;
+JavaVMInitArgs vm_args;
+JavaVMOption options[1];
+jclass class_id;
+jmethodID method_id;
+jint result;
+
+long product(unsigned long n, unsigned long m) {
+    if (m == 1) {
+      return n;
+    } else {
+      int *p = alloca(sizeof (int));
+      *p = n;
+      return product (n, m-1) + *p;
+    }
+}
+
+void *
+floobydust (void *p)
+{
+  (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL);
+  env = tmp.jni_env;
+
+  class_id = (*env)->FindClass (env, "T");
+  assert (class_id);
+
+  method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V");
+  assert (method_id);
+
+  (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL);
+
+  (*jvm)->DetachCurrentThread(jvm);
+
+  printf("%ld\n", product(5000,5000));
+
+  (*jvm)->AttachCurrentThread(jvm, &tmp.void_env, NULL);
+  env = tmp.jni_env;
+
+  class_id = (*env)->FindClass (env, "T");
+  assert (class_id);
+
+  method_id = (*env)->GetStaticMethodID (env, class_id, "printIt", "()V");
+  assert (method_id);
+
+  (*env)->CallStaticVoidMethod (env, class_id, method_id, NULL);
+
+  (*jvm)->DetachCurrentThread(jvm);
+
+  printf("%ld\n", product(5000,5000));
+
+  return NULL;
+}
+
+int
+main (int argc, const char** argv)
+{
+  options[0].optionString = "-Xss320k";
+
+  vm_args.version = JNI_VERSION_1_2;
+  vm_args.ignoreUnrecognized = JNI_TRUE;
+  vm_args.options = options;
+  vm_args.nOptions = 1;
+
+  result = JNI_CreateJavaVM (&jvm, &tmp.void_env, &vm_args);
+  assert (result >= 0);
+
+  env = tmp.jni_env;
+
+  floobydust (NULL);
+
+  pthread_t thr;
+  pthread_create (&thr, NULL, floobydust, NULL);
+  pthread_join (thr, NULL);
+
+  return 0;
+}