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Compiler Error C2687

'type' : exception-declaration cannot be 'void' or denote an incomplete type or pointer or reference to an incomplete type

For a type to be part of an exception declaration, it must be defined and not void.

The following sample generates C2687:

// C2687.cpp
class C;

int main() {
   try {}
   catch (C) {}   // C2687 error

Possible resolution:

// C2687b.cpp
// compile with: /EHsc
class C {};

int main() {
   try {}
   catch (C) {}