add -fclang-abi-compat=17 to HIP_HIPCC_FLAGS (#1377)

C++20 mangling rules were recently added to hip-clang. This flag
maintains compatibility since pytorch is at C++17. Otherwise the linker
fails.

Author: jeffdaily

cmake/Dependencies.cmake

@@ -1324,6 +1324,9 @@ if(USE_ROCM)
        list(APPEND HIP_HIPCC_FLAGS -fdebug-info-for-profiling)
     endif(CMAKE_BUILD_TYPE MATCHES Debug)
 
+    # needed for compat with newer versions of hip-clang that introduced C++20 mangling rules
+    list(APPEND HIP_HIPCC_FLAGS -fclang-abi-compat=17)
+
     set(HIP_CLANG_FLAGS ${HIP_CXX_FLAGS})
     # Ask hcc to generate device code during compilation so we can use
     # host linker to link.