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Merge branch 'develop'

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This commit is contained in:
John Maddock
2022-06-26 18:56:14 +01:00
parent 177ee2cc0f 72f81888a5
commit 57aca85a8e
1 changed files with 2 additions and 0 deletions
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include/boost/regex/v5/basic_regex_creator.hpp
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@ -1019,6 +1019,8 @@ int basic_regex_creator<charT, traits>::calculate_backstep(re_syntax_base* state
{
if(rep->max != rep->min)
return -1;
if (static_cast<std::size_t>((std::numeric_limits<int>::max)() - result) < rep->min)
return -1; // protection against overflow, we can't calculate a backstep in this case and the expression is probably ill-formed.
result += static_cast<int>(rep->min);
state = rep->alt.p;
continue;