1  /* { dg-do compile } */
       2  /* { dg-options "-Wall -std=gnu89" } */
       3  /* This test is expected to fail with an error for the redefinition of foo.
       4     This violates the constraint of 6.9#3 (no more than one external definition
       5     of an identifier with internal linkage in the same translation unit).  */
       6  static inline int foo(void) { return 1; } /* { dg-message "note: previous definition of" } */
       7  static inline int foo(void) { return 0; } /* { dg-error "redefinition of" } */
       8