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eholk authored
This is necessary for signal-based out of bounds handling in WebAssembly. Adds a ProtectedStore instruction that is analogous to the previously added ProtectedLoad instruction. Rather than using bounds checks, ProtectedStore emits an out of line section of code that throws a JavaScript exception and provides the necessary metadata for a signal handler to be able to find the out of line code. BUG= https://bugs.chromium.org/p/v8/issues/detail?id=5277 Review-Url: https://codereview.chromium.org/2516413003 Cr-Commit-Position: refs/heads/master@{#41398}
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