pc and w are allocated with tcg_const_i32 but not freed in
gen_window_check. Use tcg_constant_i32 for them both.
Fixes: 2db59a76c421 ("target-xtensa: record available window in TB flags")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
0269a6cf4e