On 2011/03/03 07:34:31, Søren Gjesse wrote:
http://codereview.chromium.org/6597106/diff/3001/src/arm/full-codegen-arm.cc
File src/arm/full-codegen-arm.cc (right):
http://codereview.chromium.org/6597106/diff/3001/src/arm/full-codegen-arm.cc#newcode3137
src/arm/full-codegen-arm.cc:3137: // Check the object's elements are in
fast
case and writable.
On 2011/03/02 15:04:39, Karl Klose wrote:
> What does writable mean here?
It means that it is not copy-on-write (copy-on-write JSArrays has a
different
map).
It is the fixed array holding the data for a JSArray that has a different
map in
the cow case - not the JSArray itself.
http://codereview.chromium.org/6597106/
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