1 files changed, 5 insertions, 2 deletions

diff --git a/src/lj_record.c b/src/lj_record.c
index d8c67499..26e87ab3 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1388,16 +1388,19 @@ void lj_record_ins(jit_State *J)
       rec_comp_fixup(J, pc, (!tvistruecond(&J2G(J)->tmptv2) ^ (bc_op(*pc)&1)));
       /* fallthrough */
     case LJ_POST_FIXGUARD:  /* Fixup and emit pending guard. */
+      if (!tvistruecond(&J2G(J)->tmptv2))
+        J->fold.ins.o ^= 1;  /* Flip guard to opposite. */
+      lj_opt_fold(J);  /* Emit pending guard. */
+      /* fallthrough */
+    case LJ_POST_FIXBOOL:
       if (!tvistruecond(&J2G(J)->tmptv2)) {
         BCReg s;
-        J->fold.ins.o ^= 1;  /* Flip guard to opposite. */
         for (s = 0; s < J->maxslot; s++)  /* Fixup stack slot (if any). */
           if (J->base[s] == TREF_TRUE && tvisfalse(&J->L->base[s])) {
             J->base[s] = TREF_FALSE;
             break;
           }
       }
-      lj_opt_fold(J);  /* Emit pending guard. */
       break;
     default: lua_assert(0); break;
     }