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Fix #12917: Write to negative array index for some string patterns.

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Don't popped closed pair from the parenthesis stack a second time.
This commit is contained in:
Peter Nelson
2024-09-06 12:08:19 +01:00
committed by Peter Nelson
parent 33a7e9e512
commit a241ef8da0
1 changed files with 0 additions and 7 deletions
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7
src/3rdparty/icu/scriptrun.cpp vendored
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@@ -184,13 +184,6 @@ UBool ScriptRun::next()
parenStack[++startSP].scriptCode = scriptCode;
}
}
// if this character is a close paired character,
// pop it from the stack
if (pairIndex >= 0 && (pairIndex & 1) != 0 && parenSP >= 0) {
parenSP -= 1;
startSP -= 1;
}
} else {
// if the run broke on a surrogate pair,
// end it before the high surrogate