gobjc++-multilib-x86-64-linux-gnux32 - 4:12.2.0-5 main

This is the GNU Objective-C++ compiler, which compiles
Objective-C++ on platforms supported by the gcc compiler. It uses the
gcc backend to generate optimized code.
.
This is a dependency package providing the default GNU Objective-C++
cross-compiler for the x32 architecture.