Compiler Warning (level 2) C4309
Visual Studio 2015
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The latest version of this topic can be found at Compiler Warning (level 2) C4309.
conversion' : truncation of constant value
The type conversion causes a constant to exceed the space allocated for it. You may need to use a larger type for the constant.
The following sample generates C4309:
// C4309.cpp
// compile with: /W2
int main()
{
char c = 128; // C4309
}
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