--- a/dmd/IRState.d	Sun Sep 05 15:32:22 2010 +0400
+++ b/dmd/IRState.d	Thu Sep 09 22:51:44 2010 +0100
@@ -9,6 +9,10 @@
 import dmd.FuncDeclaration;
 import dmd.Global;
 import dmd.Loc;
+import dmd.TRUST;
+import dmd.TY;
+import dmd.TypeFunction;
+import dmd.Type;
 
 import dmd.backend.Symbol;
 import dmd.backend.Blockx;
@@ -124,6 +128,28 @@
 		}
 		return cast(FuncDeclaration)(bc.symbol);
 	}
+
+    /**********************
+     * Return !=0 if do array bounds checking
+     */
+    int arrayBoundsCheck()
+    {
+        int result = global.params.useArrayBounds;
+
+        if (result == 1)
+        {
+            // For safe functions only
+	        result = 0;
+	        FuncDeclaration fd = getFunc();
+	        if (fd)
+	        {
+                Type t = fd.type;
+	            if (t.ty == TY.Tfunction && (cast(TypeFunction)t).trust == TRUST.TRUSTsafe)
+		        result = 1;
+	        }
+        }
+        return result;
+    }
 }
 
 /*********************************************