https://codereview.chromium.org/1027283004/diff/370001/src/factory.cc
File src/factory.cc (right):
https://codereview.chromium.org/1027283004/diff/370001/src/factory.cc#newcode1284
src/factory.cc:1284: // In strict mode, readonly strict map is only
available during bootstrap
On 2015/03/26 13:59:14, arv wrote:
I still find this confusing :-)
strict map with readonly prototype is what we use for classes for
example.
That seems to happen in Runtime_DefineClass --- the constructor's
"prototype" property is explicitly set to [[Enumerable]]=false,
[[Writable]]=false, [[Configurable]]=false --- In strong mode this is
probably not necessary (strong mode has its own constructor map
variant), but in strict mode it just uses the strict function map, which
for most of the life of the engine will have a writable prototype
https://codereview.chromium.org/1027283004/
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