Prevent replay of buffer operation for PHI operands.

Contributed by XmiliaH.
2022-01-16 21:00:24 +01:00
parent 2c218bf756
commit 1dddc55ca3
1 changed files with 1 additions and 1 deletions
--- a/src/lj_opt_fold.c
+++ b/src/lj_opt_fold.c
@@ -605,7 +605,7 @@ LJFOLDF(bufput_bufstr)
      return ref;
    }
    /* Replay puts to global temporary buffer. */
-    if (IR(hdr)->op2 == IRBUFHDR_RESET) {
+    if (IR(hdr)->op2 == IRBUFHDR_RESET && !irt_isphi(fright->t)) {
      IRIns *ir = IR(fright->op1);
      /* For now only handle single string.reverse .lower .upper .rep. */
      if (ir->o == IR_CALLL &&