Expand DIGITS length to 128 and eliminate array bounds checking by using & 0x7F when accessing DIGITS
------------- Commit messages: - & 0x7f Changes: https://git.openjdk.org/jdk/pull/23335/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23335&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8348870 Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/23335.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/23335/head:pull/23335 PR: https://git.openjdk.org/jdk/pull/23335
