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Fix reachability bug for default target of br_table.

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Chris Fallin 2022-12-01 12:38:48 -08:00
parent f83420bbf7
commit 7a3e9ce2e3
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1 changed files with 2 additions and 0 deletions
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src/frontend.rs
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@ -1052,6 +1052,7 @@ impl<'a, 'b> FunctionBodyBuilder<'a, 'b> {
// us the signature of all frames (since wasmparser
// validates the input for us). Pop that many args.
let default_frame = self.relative_frame(targets.default());
default_frame.set_reachable();
let default_term_target = default_frame.br_target();
let arg_len = default_frame.br_args().len();
let args = self.pop_n(arg_len);
@ -1067,6 +1068,7 @@ impl<'a, 'b> FunctionBodyBuilder<'a, 'b> {
term_targets.push(block);
}
self.emit_br_table(index, default_term_target, &term_targets[..], &args[..]);
self.locals.finish_block(self.reachable);
self.reachable = false;
}