Make Object::GetIdentityHash() never return 0....

Make Object::GetIdentityHash() never return 0.

This is convenient when using identity hashes in data structures that
want to reserve 0 as a sentinel value, such as WebKit's WTF::HashMap.


Committed: http://code.google.com/p/v8/source/detail?r=1821

[Dean McNamee, 2009-04-29 09:14:52]

http://codereview.chromium.org/100147/diff/4/5
File src/api.cc (right):

http://codereview.chromium.org/100147/diff/4/5#newcode2077
Line 2077: hash_value = random() & i::Smi::kMaxValue;  // Limit range to fit a
smi.
Just to be annoying, we probably shouldn't be using random() (it's not thread
safe, etc).

[asargent_no_longer_on_chrome, 2009-04-29 16:47:13]

On 2009/04/29 09:14:52, Dean McNamee wrote:
> Just to be annoying, we probably shouldn't be using random() (it's not thread
> safe, etc).

Do you have a suggestion on what we should use instead? (Know of a good open
source & license-compatible replacement?)