vm_core.h: rb_exc_set_backtrace declaration

* vm_core.h (rb_exc_set_backtrace): move declaration from
  eval_error.c and vm_args.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

eval_error.c

@@ -66,8 +66,6 @@ rb_get_backtrace(VALUE info)
     return get_backtrace(info);
 }
 
-VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
-
 static void
 set_backtrace(VALUE info, VALUE bt)
 {

vm_args.c

@@ -691,8 +691,6 @@ setup_parameters_complex(rb_thread_t * const th, const rb_iseq_t * const iseq,
     return opt_pc;
 }
 
-VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
-
 static void
 raise_argument_error(rb_thread_t *th, const rb_iseq_t *iseq, const VALUE exc)
 {

vm_core.h

@@ -1137,6 +1137,7 @@ enum {
 #define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & ~(th)->interrupt_mask & (PENDING_INTERRUPT_MASK|TRAP_INTERRUPT_MASK))
 #define RUBY_VM_INTERRUPTED_ANY(th) ((th)->interrupt_flag & ~(th)->interrupt_mask)
 
+VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
 int rb_signal_buff_size(void);
 void rb_signal_exec(rb_thread_t *th, int sig);
 void rb_threadptr_check_signal(rb_thread_t *mth);