26 lines
222 B
C++
26 lines
222 B
C++
#ifdef GOOD
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#error error
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#endif
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#define GOOD 1
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#ifdef GOOD
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#warning good
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#else
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#error error
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#endif
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#ifndef GOOD
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#error error
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#else
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#warning good
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#endif
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#undef GOOD
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#ifndef GOOD
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#warning good
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#else
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#error error
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#endif
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