Do not declare artificial variables in tree-profile.c to have a definition (PR lto/69188).

2017-01-20  Martin Liska  <mliska@suse.cz>

	PR lto/69188
	* gcc.dg/lto/pr69188_0.c: New test.
	* gcc.dg/lto/pr69188_1.c: New test.
2017-01-20  Martin Liska  <mliska@suse.cz>

	PR lto/69188
	* tree-profile.c (init_ic_make_global_vars): Do not call
	finalize_decl.
	(gimple_init_gcov_profiler): Likewise.

From-SVN: r244692

gcc/ChangeLog

 2017-01-20  Martin Liska  <mliska@suse.cz>
 
+	PR lto/69188
+	* tree-profile.c (init_ic_make_global_vars): Do not call
+	finalize_decl.
+	(gimple_init_gcov_profiler): Likewise.
+
+2017-01-20  Martin Liska  <mliska@suse.cz>
+
 	PR ipa/71190
 	* cgraph.h (maybe_create_reference): Remove argument and
 	update comment.

gcc/testsuite/ChangeLog

+2017-01-20  Martin Liska  <mliska@suse.cz>
+
+	PR lto/69188
+	* gcc.dg/lto/pr69188_0.c: New test.
+	* gcc.dg/lto/pr69188_1.c: New test.
+
 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
 
 	* gcc.target/i386/avx512bw-kshiftld-1.c: New test.

gcc/testsuite/gcc.dg/lto/pr69188_0.c

+/* PR ipa/69188 */
+/* { dg-lto-do link } */
+/* { dg-lto-options { { -flto -O0 -fprofile-generate } } } */
+
+void fn1(void) 
+{ 
+}

gcc/testsuite/gcc.dg/lto/pr69188_1.c

+/* PR ipa/69188 */
+/* { dg-options "-flto -O1 -fprofile-generate" } */
+
+extern void fn1(void);
+
+int main() {
+  fn1();
+  return 0;
+}
+

gcc/tree-profile.c

@@ -94,8 +94,6 @@ init_ic_make_global_vars (void)
   if (targetm.have_tls)
     set_decl_tls_model (ic_void_ptr_var, decl_default_tls_model (ic_void_ptr_var));
 
-  varpool_node::finalize_decl (ic_void_ptr_var);
-
   gcov_type_ptr = build_pointer_type (get_gcov_type ());
 
   ic_gcov_type_ptr_var
@@ -112,8 +110,6 @@ init_ic_make_global_vars (void)
   DECL_INITIAL (ic_gcov_type_ptr_var) = NULL;
   if (targetm.have_tls)
     set_decl_tls_model (ic_gcov_type_ptr_var, decl_default_tls_model (ic_gcov_type_ptr_var));
-
-  varpool_node::finalize_decl (ic_gcov_type_ptr_var);
 }
 
 /* Create the type and function decls for the interface with gcov.  */
@@ -210,8 +206,6 @@ gimple_init_gcov_profiler (void)
       DECL_ARTIFICIAL (tree_time_profiler_counter) = 1;
       DECL_INITIAL (tree_time_profiler_counter) = NULL;
 
-      varpool_node::finalize_decl (tree_time_profiler_counter);
-
       /* void (*) (gcov_type *, gcov_type)  */
       average_profiler_fn_type
 	      = build_function_type_list (void_type_node,