Add an assert that stack is empty after the exec
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856a34ca25
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@ -77,12 +77,14 @@ impl<'a, E: Externals> Interpreter<'a, E> {
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self.run_interpreter_loop(&mut call_stack)?;
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Ok(func.signature().return_type().map(|_vt| {
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let return_value = self.value_stack
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.pop();
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let opt_return_value = func.signature().return_type().map(|_vt| {
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self.value_stack.pop()
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});
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return_value
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}))
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// Ensure that stack is empty after the execution.
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assert!(self.value_stack.len() == 0);
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Ok(opt_return_value)
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}
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fn run_interpreter_loop(&mut self, call_stack: &mut Vec<FunctionContext>) -> Result<(), Trap> {
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@ -132,7 +134,7 @@ impl<'a, E: Externals> Interpreter<'a, E> {
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let return_val = FuncInstance::invoke(&nested_func, &args, self.externals)?;
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// Check if `return_val` matches the signature.
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let value_ty = return_val.clone().map(|val| val.value_type());
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let value_ty = return_val.as_ref().map(|val| val.value_type());
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let expected_ty = nested_func.signature().return_type();
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if value_ty != expected_ty {
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return Err(TrapKind::UnexpectedSignature.into());
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