juliehockett added inline comments.

================
Comment at: test/clang-tidy/fuchsia-virtual-inheritance.cpp:34-36
+  // CHECK-MESSAGES: [[@LINE-1]]:28: warning: constructing a class that 
inherits a virtual base class is disallowed [fuchsia-virtual-inheritance]
+  // CHECK-NEXT:  D(int value) : A(value), B(), C() {}
+  // CHECK-MESSAGES: [[@LINE-3]]:33: warning: constructing a class that 
inherits a virtual base class is disallowed [fuchsia-virtual-inheritance]
----------------
aaron.ballman wrote:
> I'm also not certain this should be diagnosed either. It's technically 
> correct because it's calling the base class constructors here, but at the 
> same time, it seems very low-value and likely to cause the user to do 
> something really bad, like silence the warning by not calling the base class 
> constructors.
I see what you mean, but where then would you draw the line between warning and 
not? We could warn for construction everywhere except in initialization lists, 
but that seems like it might open the door to trivially get around the check in 
ways that should be disallowed.


https://reviews.llvm.org/D40813



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