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Georg Neis authored
This is a reland of 40ac6b18, which was incorrect due to a bad merge. Original change's description: > Introduce MutableHeapNumber class. > > V8 knows heap numbers and mutable heap numbers. They have > difference instance types, but in C++ code we've used the > same class for both (HeapNumber). Confusingly, however, > IsHeapNumber would return false for mutable heap numbers, > while HeapNumber::cast would succeed. > > This CL adds a separate class MutableHeapNumber and > eliminates the confusing behavior. > > TBR=bmeurer@chromium.org > > Change-Id: Id894d177c7fe8cc3f451be80c273b50daee91378 > Reviewed-on: https://chromium-review.googlesource.com/1113544 > Commit-Queue: Georg Neis <neis@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#54012} TBR=bmeurer@chromium.org TBR=ulanchromium.org Change-Id: I3af1014c949821dfac0754a3e48c65ce1bad1ad1 Reviewed-on: https://chromium-review.googlesource.com/1114539Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#54022}
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