1 files changed, 6 insertions, 1 deletions

diff --git a/src/lj_ir.h b/src/lj_ir.h
index 0cbd8b55..7ab8ab12 100644
--- a/src/lj_ir.h
+++ b/src/lj_ir.h
@@ -133,7 +133,7 @@
   /* Type conversions. */ \
   _(CONV,       NW, ref, lit) \
   _(TOBIT,      N , ref, ref) \
-  _(TOSTR,      N , ref, ___) \
+  _(TOSTR,      N , ref, lit) \
   _(STRTO,      N , ref, ___) \
   \
   /* Calls. */ \
@@ -246,6 +246,11 @@ IRFLDEF(FLENUM)
 #define IRCONV_INDEX  (2<<IRCONV_CSH)   /* Check + special backprop rules. */
 #define IRCONV_CHECK  (3<<IRCONV_CSH)   /* Number checked for integerness. */
 
+/* TOSTR mode, stored in op2. */
+#define IRTOSTR_INT             0       /* Convert integer to string. */
+#define IRTOSTR_NUM             1       /* Convert number to string. */
+#define IRTOSTR_CHAR            2       /* Convert char value to string. */
+
 /* -- IR operands --------------------------------------------------------- */
 
 /* IR operand mode (2 bit). */