fix #6003 (#6004)

2026-06-06 09:02:43 -07:00
parent 0c8271db49
commit 596634ac41
2 changed files with 47 additions and 21 deletions
@@ -158,9 +158,9 @@ export class Utf8ToUtf32 {
      cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);
      let pos = 0;
      let tmp: number;
-      while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {
+      while ((tmp = this.interim[++pos]) && pos < 4) {
        cp <<= 6;
-        cp |= tmp;
+        cp |= tmp & 0x3F;
      }
      // missing bytes - read ahead from input
      const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;