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U-NVIDIA.COM\rjenningsPP: Don't report certain error about '#' when #if'd out9cd7ca26

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1#version 460
2
3// This tests that the preprocessor error
4// "error: '#' : (#) can be preceded in its line only by spaces or horizontal tab"
5// isn't enforced when inactive (e.g. inside #if 0)
6
7#if 0
8#define STRINGIFY(X) #X
9#endif
10
11#define C 0
12
13#if 1
14#ifdef A
15#elif defined B
16#elif C
17// OK, since preprocessor evaluates to inactive
18#define STRINGIFY(X) #X
19#endif
20#endif
21
22// OK in comments
23// #define STRINGIFY(X) #X
24
25void main()
26{
27    gl_Position = vec4(1.0);
28}