message: Fix bug in LLVM lowering of 'return' when the stack has a float on it.
diff: @@ -1412,14 +1412,11 @@ impl FunctionCodeGenerator<CodegenError> for LLVMFunctionCodeGenerator {
  }
  }
  Operator::Return => {
  - let frame = state.outermost_frame()?;
  let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
  message: "not currently in a block",
  offset: -1isize as usize,
  })?;
  - builder.build_unconditional_branch(frame.br_dest());
  -
  let frame = state.outermost_frame()?;
  for phi in frame.phis().to_vec().iter() {
  let (arg, info) = state.pop1_extra()?;
  @@ -1427,6 +1424,9 @@ impl FunctionCodeGenerator<CodegenError> for LLVMFunctionCodeGenerator {
  phi.add_incoming(&[(&arg, &current_block)]);
  }
  + let frame = state.outermost_frame()?;
  + builder.build_unconditional_branch(frame.br_dest());
  +
  state.reachable = false;
  }
  