Fix Wasm translator bug: end of toplevel frame is branched-to only for fallthrough returns. #2450
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I'll see what I can whip up -- there currently aren't any direct unit tests for the state presented to the |
…r fallthrough returns. This makes the value of `state.reachable()` inaccurate when observing at the tail of functions (in the post-function hook) after an ordinary return instruction.
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Added a few tests of reachability info, with some plumbing on the dummy environment. |
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…s merging in the test case): commit 31bac3e Merge: 93c1993 34d9931 Author: Nick Fitzgerald <[email protected]> Date: Wed Nov 25 13:09:05 2020 -0800 Merge pull request bytecodealliance#2450 from bytecodealliance/cfallin/fix-wasm-reachable Fix Wasm translator bug: end of toplevel frame is branched-to only for fallthrough returns.
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This makes the value of
state.reachable()inaccurate when observing atthe tail of functions (in the post-function hook) after an ordinary
return instruction.