Promote "enumerator in switch of enum is not handled" to level 1 warning on...

Promote "enumerator in switch of enum is not handled" to level 1 warning on MSVC. It was disabled by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121096 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -247,7 +247,10 @@ if( MSVC )
   add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
   add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
   add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 -wd4267 -wd4291 )
-  add_llvm_definitions( -wd4275)
+  add_llvm_definitions( -wd4275 )
+  
+  # Promote "enumerator in switch of enum is not handled" to level 1 warning.
+  add_llvm_definitions( -w14062 )
 
   # Suppress 'new behavior: elements of array 'array' will be default initialized'
   add_llvm_definitions( -wd4351 )