diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5f9450981a..ebeb2ef3a5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2014-04-11  Sanimir Agovic  <sanimir.agovic@intel.com>
+
+	* eval.c (evaluate_subexp_for_sizeof) <OP_VAR_VALUE>: If the type
+	passed to sizeof is dynamic evaluate the argument to compute the length.
+
 2014-04-11  Sanimir Agovic  <sanimir.agovic@intel.com>
 
 	* dwarf2loc.c (dwarf2_locexpr_baton_eval): New function.
diff --git a/gdb/eval.c b/gdb/eval.c
index 36615e17cd..26454f60a2 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -3040,8 +3040,14 @@ evaluate_subexp_for_sizeof (struct expression *exp, int *pos)
       return value_from_longest (size_type, (LONGEST) TYPE_LENGTH (type));
 
     case OP_VAR_VALUE:
-      (*pos) += 4;
       type = check_typedef (SYMBOL_TYPE (exp->elts[pc + 2].symbol));
+      if (is_dynamic_type (type))
+	{
+	  val = evaluate_subexp (NULL_TYPE, exp, pos, EVAL_NORMAL);
+	  type = value_type (val);
+	}
+      else
+	(*pos) += 4;
       return
 	value_from_longest (size_type, (LONGEST) TYPE_LENGTH (type));