https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102918
Bug ID: 102918 Summary: Undefined behaviour in regex header (uininitialized boolean) Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: camilotalero96 at hotmail dot com Target Milestone: --- I am using undefined behaviour sanitizers and they are detecting a potential bug in teh regex header, the specific report is: `/usr/include/c++/11/bits/regex.h:909:15: runtime error: load of value 192, which is not a valid value for type 'bool'` Which does seem like the use of a potentially uninitialized boolean.