Fix wasm_val_copy for null funcref/externref - #2041
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This commit fixes `Clone for wasm_val_t` to avoid attempting to chase a null pointer. It also fixes the implementation for `FuncRef` values by cloning their internal `wasm_ref_t` as well.
peterhuene
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Jul 17, 2020
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fitzgen
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Jul 17, 2020
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Really happy I don't write C directly 😬
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This commit fixes
Clone for wasm_val_tto avoid attempting to chase anull pointer. It also fixes the implementation for
FuncRefvalues bycloning their internal
wasm_ref_tas well.