This makes sure the test in question does not rely on specific lifetime
characteristics for local variables within a function. Note that these
lifetimes are not specified by JavaScript and are not observable within
JavaScript proper. The natives syntax however makes it observable.

BUG=v8:5345
TEST=mjsunit/wasm/compiled-module-management
R=mtrofin@chromium.org

Review-Url: https://codereview.chromium.org/2474053002
Cr-Commit-Position: refs/heads/master@{#40733}