• zhengxing.li's avatar
    X87: [builtins] Sanitize the machinery around Construct calls. · 4620a235
    zhengxing.li authored
      port 374b6ea2 (r32172)
    
      original commit message:
      There's no point in collecting feedback for super constructor calls,
      because in all (interesting) cases we can gather (better) feedback from
      other sources (i.e. via inlining or via using a LOAD_IC to get to the
      [[Prototype]] of the target).  So CallConstructStub is now only used
      for new Foo(...args) sites where we want to collect feedback in the
      baseline compiler.  The optimizing compilers, Reflect.construct and
      super constructor calls use the Construct builtin directly, which allows
      us to remove some weird code from the CallConstructStub (and opens the
      possibility for more code sharing with the CallICStub, maybe even going
      for a ConstructICStub).
    
      Also remove the 100% redundant HCallNew instruction, which is just a
      wrapper for the Construct builtin anyway (indirectly via the
      CallConstructStub).
    
      Drive-by-fix: Drop unused has_function_cache bit on Code objects.
    
    BUG=
    
    Review URL: https://codereview.chromium.org/1471193002
    
    Cr-Commit-Position: refs/heads/master@{#32197}
    4620a235
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