Language
C++
Compiler
clang 15.0.0
Options
Warnings
Boost 1.80.0
C++2b
no pedantic
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.80.0-clang-15.0.0/include -std=c++2b Exit Code:
0
Author
anonymous
over 2 years ago
C++
clang 15.0.0
Author
anonymous
over 2 years ago
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.80.0-clang-15.0.0/include -std=c++2b prog.cc:8:10: warning: reference to stack memory associated with local variable 'n' returned [-Wreturn-stack-address]
return r; // UB
^
prog.cc:6:8: note: binding reference variable 'r' here
int& r = n;
^ ~
1 warning generated.