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00:05:55  <aklein>caitp: sorry, yes, recording errors (I realize now that "records a bit" is actually something we do elsewhere with the expression classifier)
00:07:16  <caitp>anyways, it was just a way to keep the error recording out of ParseAssignmentExpression
00:07:45  <caitp>since there was a lot
00:07:52  <caitp>of recording
00:08:51  <aklein>ok, and that matches the CL of mine which completed that transformation (so that ParseAssignmentExpression didn't have to keep track of a bunch of state about whether this might be a destructuring assignment)
00:09:14  <aklein>I still have a tickle that there's something wrong here, but maybe I'll just wait for rewinding :)
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08:47:22  <gravitation>Does the V8 hidden class mechanism only kick in for objects within actual constructors?
08:47:36  <gravitation>Or does it also kick in for random code like “var o = {}; o.x = 3; o.y = 2;”?
08:48:17  <gravitation>And what if two totally separate parts of the codebase, perhaps in different files, both do “var o = {}; o.x = 3; o.y = 2;”, then will that be the same hidden class?
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13:01:58  <caitp>gravitation: no, all non-Smi objects in v8 have "hidden classes", which isj ust a mechanism describing what the object is, and how to get at its properties
13:03:23  <caitp>they may have the same map, yes
13:05:07  <caitp>generally, it doesn't matter if they have the same or different maps if theyre never used in similar places
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14:07:33  <trungl-bot>Tree closed by buildbot@chromium.org: Tree is closed (Automatic: "Check" on http://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds/4188 "V8 Win32 - debug" from e954e954007b0ebfe2665df64cd1976a68c3f2b9: franzih@chromium.org,mlippautz@chromium.org,vogelheim@chromium.org)
14:16:38  <trungl-bot>Tree opened by mlippautz@google.com: open ¯\_(ツ)_/¯
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