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/* Test diagnostics for old-style definition not matching prior
prototype are present and give correct location for that prototype
(bug 15698). Unprototyped built-in function with user prototype. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-std=gnu99" } */
int isnan(void); /* { dg-error "prototype declaration" } */
int isnan(a) int a; {} /* { dg-error "number of arguments doesn't match prototype" } */
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