PR feedback

Author: jkoritzinsky

eng/native/configurecompiler.cmake

@@ -620,6 +620,14 @@ if (CLR_CMAKE_HOST_UNIX)
 
     # clang 18.1 supressions
     add_compile_options(-Wno-switch-default)
+    
+    # clang 20 suppressions
+    if (CMAKE_CXX_COMPILER_ID)
+      check_cxx_compiler_flag(-Wnontrivial-memaccess COMPILER_SUPPORTS_W_NONTRIVIAL_MEMACCESS)
+      if (COMPILER_SUPPORTS_W_NONTRIVIAL_MEMACCESS)
+        add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Wno-nontrivial-memaccess>)
+      endif()
+    endif()
   else()
     add_compile_options(-Wno-uninitialized)
     add_compile_options(-Wno-strict-aliasing)
@@ -645,13 +653,6 @@ if (CLR_CMAKE_HOST_UNIX)
     endif()
   endif()
 
-  if (CMAKE_CXX_COMPILER_ID)
-    check_cxx_compiler_flag(-Wno-nontrivial-memaccess COMPILER_SUPPORTS_FNO_NONTRIVIAL_MEMACCESS)
-    if (COMPILER_SUPPORTS_FNO_NONTRIVIAL_MEMACCESS)
-      add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Wno-nontrivial-memaccess>)
-    endif()
-  endif()
-
   # Some architectures (e.g., ARM) assume char type is unsigned while CoreCLR assumes char is signed
   # as x64 does. It has been causing issues in ARM (https://github.com/dotnet/runtime/issues/5778)
   add_compile_options(-fsigned-char)