1 files changed, 6 insertions, 0 deletions
diff --git a/tools/d2c/syntax.c b/tools/d2c/syntax.c
index c0842a7..de1d693 100644
--- a/tools/d2c/syntax.c
+++ b/tools/d2c/syntax.c
@@ -284,6 +284,12 @@ bool write_encoding_syntax(const encoding_syntax *syntax, int fd, const char *ar
 
     }
 
+    if (!alone)
+    {
+        dprintf(fd, "\t%sassert(result == NULL);\n", tab);
+        dprintf(fd, "\n");
+    }
+
     dprintf(fd, "\t%sresult = g_%s_instruction_new(\"%s\");\n",
             tab, arch, get_keyword_from_asm_pattern(syntax->pattern));