[20.0.0] Fix use-after-free in externref example #8414
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* Fix use-after-free in externref example This fixes a typo in the `externref.c` example where a deallocated `wasmtime_val_t` was used by accident. Additionally this introduces scoping to prevent this from arising again. * Run clang-format * Fix compilation of C example
fitzgen
approved these changes
Apr 19, 2024
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Backport of #8410