function.c (allocate_struct_function): Only allocate a unique funcdef_no if the decl is nonzero.

gcc/
	* function.c (allocate_struct_function): Only allocate a unique
	funcdef_no if the decl is nonzero.

From-SVN: r137195

gcc/ChangeLog

 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* function.c (allocate_struct_function): Only allocate a unique
+	funcdef_no if the decl is nonzero.
+
+2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* config/mips/mips-protos.h (mips_split_const_insns): Declare.
 	* config/mips/mips.c (mips_split_const_insns): New function.
 	* config/mips/mips.md (move_type): New attribute.

gcc/function.c

@@ -3843,8 +3843,6 @@ allocate_struct_function (tree fndecl, bool abstract_p)
 
   cfun = GGC_CNEW (struct function);
 
-  current_function_funcdef_no = get_next_funcdef_no ();
-
   cfun->function_frequency = FUNCTION_FREQUENCY_NORMAL;
 
   init_eh_for_function ();
@@ -3860,6 +3858,7 @@ allocate_struct_function (tree fndecl, bool abstract_p)
     {
       DECL_STRUCT_FUNCTION (fndecl) = cfun;
       cfun->decl = fndecl;
+      current_function_funcdef_no = get_next_funcdef_no ();
 
       result = DECL_RESULT (fndecl);
       if (!abstract_p && aggregate_value_p (result, fndecl))