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111
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1 /* Copyright (C) 2002 Free Software Foundation, Inc. */
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2
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3 /* { dg-do preprocess } */
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4
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5 /* Source: Neil Booth, 26 Feb 2002.
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6
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7 Test that we allow directives in macro arguments. */
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8
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9 /* { dg-do run } */
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10 /* { dg-options "" } */
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11
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12 #define f(x) x
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13 extern void abort (void);
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14
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15 int main ()
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16 {
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17 if (f (
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18 #if f(1) /* True. */
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19 0)) /* False. */
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20 #else
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21 1))
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22 #endif
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23 abort ();
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24
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25 /* Outer f expands to original definition, f in argument expands
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26 to new definition, so result is: if (1 != 2 - 1). */
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27 if (1 != f(2
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28 #undef f
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29 #define f - 1
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30 f))
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31 abort ();
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32
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33 return 0;
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34 }
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