================
@@ -7982,6 +7982,9 @@ def err_bad_reinterpret_cast_reference : Error<
def warn_undefined_reinterpret_cast : Warning<
"reinterpret_cast from %0 to %1 has undefined behavior">,
InGroup<UndefinedReinterpretCast>, DefaultIgnore;
+def warn_static_downcast : Warning<
+ "static downcast from %0 to %1 is potentially dangerous%select{|; did you
mean 'dynamic_cast'?}2">,
----------------
erichkeane wrote:
I think it is more than 'potentially dangerous', yes? Perhaps also we should
mention the polymorphic-ness of the types as to why it is dangerous.
https://github.com/llvm/llvm-project/pull/117914
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