https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105808
Bug ID: 105808 Summary: Internal unsafe integer narrowing conversion during non-type template argument value deduction Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: tomilovanatoliy at yandex dot ru Target Milestone: --- Created attachment 53064 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53064&action=edit test.cpp GCC version: G++ 11.2.0 system type: Linux 5.10.105-1-MANJARO Mar 2022 x86_64 GNU/Linux g++ -m64 -Wall -Wextra -c test.cpp -o /dev/null No warning or errors reported (except static_assert violation). Affected std::extent and std::extent_v for big arrays. -mcmodel=medium has no effect.