deps: cherry-pick bfae9db from upstream v8

Original commit message: Update postmortem metadata generator. Add PropertyDetails::AttributesField + PropertyDetails::LocationField. Review-Url: https://codereview.chromium.org/2842843004 Cr-Commit-Position: refs/heads/master@{#44889} PR-URL: #12722 Refs: nodejs/llnode#81 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Michael Dawson <[email protected]> Reviewed-By: Michaël Zasso <[email protected]>

Author: bnoordhuis

deps/v8/tools/gen-postmortem-metadata.py

@@ -99,6 +99,22 @@
 'value': 'kAccessor' },
 {'name': 'prop_kind_mask',
 'value': 'PropertyDetails::KindField::kMask' },
+{'name': 'prop_location_Descriptor',
+'value': 'kDescriptor' },
+{'name': 'prop_location_Field',
+'value': 'kField' },
+{'name': 'prop_location_mask',
+'value': 'PropertyDetails::LocationField::kMask' },
+{'name': 'prop_location_shift',
+'value': 'PropertyDetails::LocationField::kShift' },
+{'name': 'prop_attributes_NONE', 'value': 'NONE' },
+{'name': 'prop_attributes_READ_ONLY', 'value': 'READ_ONLY' },
+{'name': 'prop_attributes_DONT_ENUM', 'value': 'DONT_ENUM' },
+{'name': 'prop_attributes_DONT_DELETE', 'value': 'DONT_DELETE' },
+{'name': 'prop_attributes_mask',
+'value': 'PropertyDetails::AttributesField::kMask' },
+{'name': 'prop_attributes_shift',
+'value': 'PropertyDetails::AttributesField::kShift' },
 {'name': 'prop_index_mask',
 'value': 'PropertyDetails::FieldIndexField::kMask' },
 {'name': 'prop_index_shift',