tcg: Propagate new TCGOp to add_as_label_use

The use of tcg_last_op does not interact well with
TCGContext.emit_before_op, resulting in the label
being linked to something other than the branch op.

In this case it is easier to simply collect the emitted
branch op and pass it directly to add_as_label_use.

Reported-by: Elisha Hollander <just4now666666@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed