diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 624a77315b5d..0bdcf13b1a49 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
+
+	* c-lang.h (struct lang_type): Add variable_size GTY option.
+
 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR bootstrap/45672
diff --git a/gcc/c-lang.h b/gcc/c-lang.h
index c0bdc7cb9e5b..4fe1835e5d23 100644
--- a/gcc/c-lang.h
+++ b/gcc/c-lang.h
@@ -24,7 +24,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "c-family/c-common.h"
 #include "ggc.h"
 
-struct GTY(()) lang_type {
+struct GTY((variable_size)) lang_type {
   /* In a RECORD_TYPE, a sorted array of the fields of the type.  */
   struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
   /* In an ENUMERAL_TYPE, the min and max values.  */
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index d719217ed022..5e4955b80c7d 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
+
+	* lto-tree.h (struct lang_type): Add variable_size GTY option.
+
 2010-09-08  Jan Hubicka  <jh@suse.cz>
 
 	* lto.c (real_file_count, real_file_decl_data): New static vars.
diff --git a/gcc/lto/lto-tree.h b/gcc/lto/lto-tree.h
index 671fa4ade26d..d6d3ee486c6c 100644
--- a/gcc/lto/lto-tree.h
+++ b/gcc/lto/lto-tree.h
@@ -33,7 +33,7 @@ struct GTY(()) lang_decl
   int dummy;  /* Added because ggc does not like empty structs.  */
 };
 
-struct GTY(()) lang_type
+struct GTY((variable_size)) lang_type
 {
   int dummy;  /* Added because ggc does not like empty structs.  */
 };