https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92853
Bug ID: 92853 Summary: std::filesystem::path::operator+=(std::filesystem::pat h const&) corrupts the heap Product: gcc Version: 9.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: gcc at mattwhitlock dot name Target Milestone: --- // BEGIN test.cpp #include <filesystem> int main() { using std::filesystem::path; path p1{ "." }, p2{ "/" }; p1 += p2; // corrupts heap path p3{ p1 }; // CRASH! return 0; } // END test.cpp $ g++ -std=gnu++2a -o test test.cpp $ ./test malloc(): corrupted top size Aborted