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111
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1 /* Test for recognition of digraphs: should be recognized in C94 and C99
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2 mode, but not in C90 mode. Also check correct stringizing.
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3 */
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4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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5 /* { dg-do run } */
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6 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
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7
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8 #define str(x) xstr(x)
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9 #define xstr(x) #x
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10 #define foo(p, q) str(p %:%: q)
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11
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12 extern void abort (void);
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13 extern int strcmp (const char *, const char *);
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14
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15 int
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16 main (void)
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17 {
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18 const char *t = foo (1, 2);
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19 const char *u = str (<:);
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20 if (strcmp (t, "1 %:%: 2") || strcmp (u, "<:"))
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21 abort ();
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22 else
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23 return 0;
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24 }
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