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Compiler Error C2341

'section name' : segment must be defined using #pragma data_seg, code_seg or section prior to use

An allocate statement refers to a segment not yet defined by code_seg, data_seg, or section pragmas.

The following sample generates C2341:

// C2341.cpp
// compile with: /c
__declspec(allocate(".test"))   // C2341
int j = 1;

Possible resolution:

// C2341b.cpp
// compile with: /c
#pragma data_seg(".test")
__declspec(allocate(".test"))
int j = 1;
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