W8078 Throw expression violates exception specification (C++)
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(Command-line option to suppress warning: -w-thr)
This warning happens when you add an exception specification to a function definition and you throw a type in your function body that is not mentioned in your exception specification.
The following program would generate this warning:
int foo() throw(char*) // I promise to only throw char*s
{
throw 5; // Oops, I threw an integer
return 0;
}