https://bugs.llvm.org/show_bug.cgi?id=35967
Bug ID: 35967
Summary: <regex> syntax_option_type is not a proper bitmask
Product: libc++
Version: 6.0
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: miyuki-l...@miyuki.ru
CC: llvm-bugs@lists.llvm.org, mclow.li...@gmail.com
According to [re.synopt]:
"The type syntax_option_type is an implementation-defined bitmask type"
[bitmask.types] defines some requirements for such types, specifically:
"Here, the names C0, C1, etc. represent bitmask elements for this particular
bitmask type. All such elements have distinct, nonzero values"
Contrarily to this requirement, in libc++ std::regex_constants::ECMAScript is
0.
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