Comment 9 for bug 1735384

This fixes bug #1735384 while running java under qemu-sh4. When debug
was enabled it showed a problem with TCG temps. Once fixed I was able
to run java -version normally.

Reported-by: John Paul Adrian Glaubitz <email address hidden>
Suggested-by: Richard Henderson <email address hidden>
Signed-off-by: Alex Bennée <email address hidden>
---
 target/sh4/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 703020fe87..b4b5c822d0 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -2189,7 +2189,7 @@ static int decode_gusa(DisasContext *ctx, CPUSH4State *env, int *pmax_insns)
     }

     /* If op_src is not a valid register, then op_arg was a constant. */
- if (op_src < 0) {
+ if (op_src < 0 && !TCGV_IS_UNUSED(op_arg)) {
         tcg_temp_free_i32(op_arg);
     }

--
2.15.1