• Leszek Swirski's avatar
    [offthread] Move stress-background-compile to compiler.cc · a441cbfb
    Leszek Swirski authored
    Make --stress-background-compile a V8 flag rather than a d8 flag, so
    that it also tests unittests/cctests.
    
    Now, with this flag, every top-level script compile (that fulfills a
    couple of restrictions) will be both main-thread and background-thread
    compiled, taking the result of the background compile. In the future,
    we'll probably want to verify that the two results are equivalent.
    
    One of the necessary changes to allow tests to pass was to introduce a
    concept of a "temporary" script (with a temporary script id), which
    doesn't get added to the script list. This is to avoid the main-thread
    compile part of the stress-test having a debugger-visible side-effect,
    e.g. in tests that enumerate scripts. We can't just create new ids for
    such scripts, as then script-id expectation files no longer match.
    
    Bug: chromium:1011762
    Change-Id: I500bbf2cabea762e69aca3dbae247daae71192cb
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2120541
    Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    Reviewed-by: 's avatarRoss McIlroy <rmcilroy@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#67332}
    a441cbfb
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