gcc/testsuite/gcc.dg/attr-section.c

   1 /* PR c/96126 - conflicting attribute section accepted on redeclaration
   2    { dg-do compile }
   3    { dg-options "-Wall" }
   4    { dg-require-named-sections "" } */
   5
   6 __attribute__ ((section ("s1"))) void f1 (void);
   7 __attribute__ ((section ("s2"))) void f1 (void);  // { dg-warning "ignoring attribute 'section \\\(\"s2\"\\\)' because it conflicts with previous 'section \\\(\"s1\"\\\)'" }
   8
   9 __attribute__ ((section ("s3"), section ("s4")))
  10 void f2 (void);                                   // { dg-error "conflicts" }
  11
  12 __attribute__ ((section ("s5"))) __attribute ((section ("s6")))
  13 void f3 (void);                                   // { dg-error "conflicts" }