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mvstanton authored
Handlers should be in charge of this work. The change uncovered a bug in vector-ics related to keyed loads into strings. It's important for StringCharCodeAtGenerator, a helper used in full code and in LoadIndexedStringStub (a handler) to protect the vector and slot registers when it makes a runtime call to convert a HeapNumber to a Smi. It's still possible for the handler to MISS after this call, perhaps due to out of bounds access. In that case, the vector and slot registers need to be delivered safely to the MISS handler. BUG= Review URL: https://codereview.chromium.org/1028093002 Cr-Commit-Position: refs/heads/master@{#27377}
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