RFR: 8286399: Address possibly lossy conversions in JDK Build Tools

[Joe Wang]

On Fri, 13 May 2022 17:05:43 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Applied required casts for the upcoming warning. Verified by cherry-picking Adam's patch.

make/jdk/src/classes/build/tools/generatebreakiteratordata/RuleBasedBreakIteratorBuilder.java line 1278:

> 1276:             state[numCategories] |= (short) END_STATE_FLAG;
> 1277:             if (sawEarlyBreak) {
> 1278:                 state[numCategories] |= LOOKAHEAD_STATE_FLAG;

Does this need a cast as well? and also other cases, e.g. line 1019: state[numCategories] = DONT_LOOP_FLAG;?

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PR: https://git.openjdk.java.net/jdk/pull/8706