src/share/vm/runtime/vmThread.cpp

*** 628,639 ****
      VM_Operation* prev_vm_operation = vm_operation();
      if (prev_vm_operation != NULL) {
        // Check the VM operation allows nested VM operation. This normally not the case, e.g., the compiler
        // does not allow nested scavenges or compiles.
        if (!prev_vm_operation->allow_nested_vm_operations()) {
!         fatal(err_msg("Nested VM operation %s requested by operation %s",
!                       op->name(), vm_operation()->name()));
        }
        op->set_calling_thread(prev_vm_operation->calling_thread(), prev_vm_operation->priority());
      }
  
      EventMark em("Executing %s VM operation: %s", prev_vm_operation ? "nested" : "", op->name());
--- 628,639 ----
      VM_Operation* prev_vm_operation = vm_operation();
      if (prev_vm_operation != NULL) {
        // Check the VM operation allows nested VM operation. This normally not the case, e.g., the compiler
        // does not allow nested scavenges or compiles.
        if (!prev_vm_operation->allow_nested_vm_operations()) {
!         fatal("Nested VM operation %s requested by operation %s",
!               op->name(), vm_operation()->name());
        }
        op->set_calling_thread(prev_vm_operation->calling_thread(), prev_vm_operation->priority());
      }
  
      EventMark em("Executing %s VM operation: %s", prev_vm_operation ? "nested" : "", op->name());