Status: Assigned
Owner: rossb...@chromium.org
CC: a...@chromium.org, little...@chromium.org
Labels: Type-Bug Priority-Medium HW-All OS-All Area-Language
New issue 4248 by a...@chromium.org: Compound keyed lookup evaluates key
twice
https://code.google.com/p/v8/issues/detail?id=4248
'language/expressions/compound-assignment/S11.13.2_A5.*': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A6.*': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.10_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.11_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.1_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.2_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.3_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.4_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.5_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.6_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.7_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.8_T4': [FAIL],
'language/expressions/compound-assignment/S11.13.2_A7.9_T4': [FAIL],
One example:
var propKeyEvaluated = false;
var base = {};
var prop = {
toString: function() {
assert(!propKeyEvaluated);
propKeyEvaluated = true;
return "";
}
};
var expr = function() {
return 0;
};
base[prop] ^= expr();
we end up calling toString() twice.
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