Reviewers: Erik Corry,
Description:
Fix bug in the count operation where we statically know the input is a smi.
Even if we know that the input to a count operation is a smi we still need
to
check if the result overflowed (and becomes a heap number).
Also fix the smi loop analysis to take two border cases correctly into
account.
Please review this at http://codereview.chromium.org/1040002
SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/
Affected files:
M src/data-flow.cc
M src/ia32/codegen-ia32.cc
A test/mjsunit/compiler/loopcount.js
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