[clang] [llvm] Enable unnecessary-virtual-specifier by default (PR #133265)

[Devon Loehr via llvm-commits]

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@@ -689,7 +689,7 @@ if ( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )
 endif( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-  append("-Werror=unguarded-availability-new" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+  append("-Werror=unguarded-availability-new -Wno-unnecessary-virtual-specifier" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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DKLoehr wrote:

Done

https://github.com/llvm/llvm-project/pull/133265