[clang] [Clang][Hexagon] Predefine _GNU_SOURCE for C++ compilations (PR #201599)

[via cfe-commits]

https://github.com/quic-k edited 
https://github.com/llvm/llvm-project/pull/201599
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits