diff --git a/Yield/SyntaxVisitors/YieldVisitors/ProcessYieldsCapturedVars.cs b/Yield/SyntaxVisitors/YieldVisitors/ProcessYieldsCapturedVars.cs
index 914e1e056..8ba8c6919 100644
--- a/Yield/SyntaxVisitors/YieldVisitors/ProcessYieldsCapturedVars.cs
+++ b/Yield/SyntaxVisitors/YieldVisitors/ProcessYieldsCapturedVars.cs
@@ -823,6 +823,11 @@ namespace SyntaxVisitors
         /// </summary>
         private bool InsertGlobalIteratorMethodPredefinition(procedure_definition pd)
         {
+            if (IsExtensionMethod(pd))  // SSM 17.07.16 - нельзя генерировать предописания для extension-методов!
+            {
+                return false;
+            }
+
             if (IsClassMethod(pd))
             {
                 return false;
diff --git a/bin/Lib/PABCRtl.dll b/bin/Lib/PABCRtl.dll
index 618cbdcbb..2547fa8e1 100644
Binary files a/bin/Lib/PABCRtl.dll and b/bin/Lib/PABCRtl.dll differ