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Run me through unifdef -UA
*** Nothing should be visible here:
#if defined A && defined B
hello world
#endif
#if defined A && B
hello world
#endif
#if defined A && 1
hello world
#endif
#if defined A && (1 > 0)
hello world
#endif
#if defined B && defined A
hello world
#endif
#if B && defined A
hello world
#endif
#if 1 && defined A
hello world
#endif
#if (1 > 0) && defined A
hello world
#endif
*** Everything should be visible here, but #if/#endif removed:
#if defined B || !defined A
hello world 1
#endif
#if !defined A || defined B
hello world 2 (last)
#endif
*** This should be unchanged (#if/#endif not removed):
#if defined A || defined B
I am here 1
#endif
#if defined B || defined A
I am here 2
#endif
I am here 3
#if !defined FOO && !defined BAR \
&& !defined BAZ
# error "I am here 4"
#endif
I am here 5
#if (!defined FOO \
&& (defined BAR || defined BAZ \
|| defined XYZ))
I am here 6
#endif
I am here 7
#if !defined FOO \
&& defined BAR
I am here 8
#endif
I am here 9 (last)
*** End
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