function call before comma missing argument list
The compiler detected an ill-formed comma expression.
This warning is off by default. For more information, see Compiler Warnings That Are Off by Default.
Example
The following sample generates C4546:
// C4546.cpp
// compile with: /W1
#pragma warning (default : 4546)
void f(int i) {
i++;
}
int main() {
int i = 0, k = 0;
if ( f, k ) // C4546
// try the following line instead
// if ( f(i), k )
i++;
}