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Summary: Release notes: stop abstract loops from getting stuck in infinite loops when body contains a return, throw or break completion Fixes https://github.com/facebook/prepack/issues/2053. This PR adds logic to "for loops" where they might get stuck in an infinite loop when there is no incrementor but there is a return, throw or break completion in the loop body. We check this via a new function `andfailIfContainsBreakOrReturnOrThrowCompletion` and only do this after `100` iterations of evaluating the loop body. I was thinking of making the iteration count configurable but wanted feedback on the approach first. I tried `1000` iterations, but it actually ended up taking about 2 minutes to evaluate the test case :/ Pull Request resolved: https://github.com/facebook/prepack/pull/2247 Differential Revision: D8827425 Pulled By: trueadm fbshipit-source-id: d05f539e2c8a6dce15b7f23c1b76e89087437738 |
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