Error(s):

source_file.cpp:18:33: warning: reference 'anyName' is not yet bound to a value when used within its own initialization [-Wuninitialized]
parent& anotherClass::anyName = anyName; // create a parent-class ref to the child object
                      ~~~~~~~   ^~~~~~~
1 warning generated.
/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
clang: error: linker command failed with exit code 1 (use -v to see invocation)