fee8daa5c5
Deferred objects are malloced, and there is no need to allocate one for the stub pc-marker (smi zero). This is also part of preparing for running precompiled stub code: when changing the pc-marker to hold the stub's code object, we want to materialize it eagerly, so that the stack frame is valid after DeoptimizeFillFrame. BUG= R=rmacnak@google.com Review URL: https://codereview.chromium.org//1289243002 .