This CL is missing something: In
HOptimizedGraphBuilder::BuildBinaryOperation we
want to transform an BIT_XOR with a ~0 back into an HBitNot, otherwise we
lose
some optimizations, e.g. ~~x => x.
https://codereview.chromium.org/21813010/diff/1/src/parser.cc
File src/parser.cc (right):
https://codereview.chromium.org/21813010/diff/1/src/parser.cc#newcode3211
src/parser.cc:3211: factory()->NewNumberLiteral(-1),
Replace the -1 by ~0 here and in the comment, it's a bit clearer.
https://codereview.chromium.org/21813010/
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