Language
C++
Compiler
clang 9.0.0
Options
Warnings
Don't Use Boost
C++11
-pedantic-errors
Raw compiler options
-Werror
-fsanitize=undefined
#include <iostream>
int main()
{
int anArray[] = {1, 2};
int* aPointerTo2 = anArray + 1;
int* aPointerTo1 = aPointerTo2 + static_cast<std::size_t>(-1); // causes pointer overflow
(void)aPointerTo1;
}
$ clang++ prog.cc -Wall -Wextra -std=c++11 -pedantic-errors -Werror -fsanitize=undefinedprog.cc:7:34: runtime error: addition of unsigned offset to 0x7fffe89f05e8 overflowed to 0x7fffe89f05e4
Exit Code:
0