[PULL 07/38] tcg: Fix opcode dump for bswap

We use an array of char for bswap_flag_name, so some
entries in the array are non-null but empty.  Check that.

Fixes: 587195bd590 ("tcg: Add flags argument to bswap opcodes")
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
---
 tcg/tcg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcg/tcg.c b/tcg/tcg.c
index db43589fa2..937d0c8fd7 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2957,7 +2957,7 @@ void tcg_dump_ops(TCGContext *s, FILE *f, bool have_prefs)
                     if (flags < ARRAY_SIZE(bswap_flag_name)) {
                         name = bswap_flag_name[flags];
                     }
-                    if (name) {
+                    if (name && name[0]) {
                         col += ne_fprintf(f, ",%s", name);
                     } else {
                         col += ne_fprintf(f, ",$0x%" TCG_PRIlx, flags);
-- 
2.43.0