Fix handling of non-numeric strings in arithmetic coercions.

Thanks to Vyacheslav Egorov.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/lj_ffrecord.c b/src/lj_ffrecord.c
index c258aee1..99d54233 100644
--- a/src/lj_ffrecord.c
+++ b/src/lj_ffrecord.c
@@ -539,10 +539,8 @@ static void LJ_FASTCALL recff_math_degrad(jit_State *J, RecordFFData *rd)
 
 static void LJ_FASTCALL recff_math_pow(jit_State *J, RecordFFData *rd)
 {
-  TRef tr = lj_ir_tonum(J, J->base[0]);
-  if (!tref_isnumber_str(J->base[1]))
-    lj_trace_err(J, LJ_TRERR_BADTYPE);
-  J->base[0] = lj_opt_narrow_pow(J, tr, J->base[1], &rd->argv[1]);
+  J->base[0] = lj_opt_narrow_pow(J, J->base[0], J->base[1],
+                                 &rd->argv[0], &rd->argv[1]);
   UNUSED(rd);
 }