Wandbox

Ran/Viewed Log

Author

anonymous

about 6 years ago

Language

C++

Compiler

gcc HEAD 9.0.0 20190108 (experimental)

Options

Warnings

Optimization

Boost 1.69.0

C++2a(GNU)

no pedantic

Author

anonymous

about 6 years ago

$ g++ prog.cc -Wall -Wextra -O2 -march=native -I/opt/wandbox/boost-1.69.0/gcc-head/include -std=gnu++2a

prog.cc: In function 'int main()':
prog.cc:5:19: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
    5 |     return a + 10 > b;
      |            ~~~~~~~^~~
prog.cc:11:32: note: within this loop
   11 |     for (int i = 2147483630; i < 2147483647; i++)
      |                              ~~^~~~~~~~~~~~
11111111111111111
11111111111111111

Exit Code:

0