[Bug c++/101274] std::execution::seq has incorrect behaviour under GCC 11.1.0

[general at yhf8377 dot me via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101274

--- Comment #1 from yhf8377 <general at yhf8377 dot me> ---
Sorry, forgot to list the compiler options we used.

g++ -std=c++17 -g -m64 -O0 -Wall -fmessage-length=0 -pthread -o gcc_test
src/main.cpp