src/java.base/share/classes/java/lang/StringUTF16.java

*** 244,265 ****
          putChar(result, 1, Character.lowSurrogate(cp));
          return result;
      }
  
      @HotSpotIntrinsicCandidate
!     public static void getChars(byte[] value, int srcBegin, int srcEnd, char dst[], int dstBegin) {
          // We need a range check here because 'getChar' has no checks
          if (srcBegin < srcEnd) {
              checkBoundsOffCount(srcBegin, srcEnd - srcBegin, value);
          }
          for (int i = srcBegin; i < srcEnd; i++) {
              dst[dstBegin++] = getChar(value, i);
          }
      }
  
      /* @see java.lang.String.getBytes(int, int, byte[], int) */
!     public static void getBytes(byte[] value, int srcBegin, int srcEnd, byte dst[], int dstBegin) {
          srcBegin <<= 1;
          srcEnd <<= 1;
          for (int i = srcBegin + (1 >> LO_BYTE_SHIFT); i < srcEnd; i += 2) {
              dst[dstBegin++] = value[i];
          }
--- 244,265 ----
          putChar(result, 1, Character.lowSurrogate(cp));
          return result;
      }
  
      @HotSpotIntrinsicCandidate
!     public static void getChars(byte[] value, int srcBegin, int srcEnd, char[] dst, int dstBegin) {
          // We need a range check here because 'getChar' has no checks
          if (srcBegin < srcEnd) {
              checkBoundsOffCount(srcBegin, srcEnd - srcBegin, value);
          }
          for (int i = srcBegin; i < srcEnd; i++) {
              dst[dstBegin++] = getChar(value, i);
          }
      }
  
      /* @see java.lang.String.getBytes(int, int, byte[], int) */
!     public static void getBytes(byte[] value, int srcBegin, int srcEnd, byte[] dst, int dstBegin) {
          srcBegin <<= 1;
          srcEnd <<= 1;
          for (int i = srcBegin + (1 >> LO_BYTE_SHIFT); i < srcEnd; i += 2) {
              dst[dstBegin++] = value[i];
          }
*** 572,582 ****
              if (getChar(value, i) == oldChar) {
                  break;
              }
          }
          if (i < len) {
!             byte buf[] = new byte[value.length];
              for (int j = 0; j < i; j++) {
                  putChar(buf, j, getChar(value, j)); // TBD:arraycopy?
              }
              while (i < len) {
                  char c = getChar(value, i);
--- 572,582 ----
              if (getChar(value, i) == oldChar) {
                  break;
              }
          }
          if (i < len) {
!             byte[] buf = new byte[value.length];
              for (int j = 0; j < i; j++) {
                  putChar(buf, j, getChar(value, j)); // TBD:arraycopy?
              }
              while (i < len) {
                  char c = getChar(value, i);