Issue 10389 - Infinite recursion on printing self-referential StructLiteralExp.
Merge pull request #2196 from ibuclaw/in_gcc

Remove dead IN_GCC code.
Merge pull request #2183 from klickverbot/structliteralexp-tochars

Avoid infinite recursion on StructLiteralExp::toChars().
Unresolved differences between gdc/dmd front ends