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111
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1 /* It is a constraint violation for a static function to be declared
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2 but not defined if it is used except in a sizeof expression. The
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3 use of the function simply being unevaluated is not enough. */
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4 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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5 /* { dg-do compile } */
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6 /* { dg-options "-O2 -std=iso9899:1990 -pedantic-errors" } */
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7
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8 /* Constraint violation (trivial case, where function is used). */
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9 static void f0(void); /* { dg-error "used but never defined" } */
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10 void g0(void) { f0(); }
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11
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12 /* Constraint violation. */
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13 static void f1(void); /* { dg-error "used but never defined" } */
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14 void g1(void) { if (0) { f1(); } }
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15
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16 /* Constraint violation. */
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17 static int f2(void); /* { dg-error "used but never defined" } */
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18 void g2(void) { 0 ? f2() : 0; }
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19
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20 /* OK. */
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21 static int f3(void);
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22 void g3(void) { sizeof(f3()); }
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