gcc/testsuite/gcc.dg/c90-typedef-1.c

   1 /* Test typedef redeclaration not permitted in C90.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
   4
   5 typedef int TI; /* { dg-message "previous declaration" } */
   6 typedef int TI; /* { dg-error "redefinition of typedef" } */