Use the correct style casts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@546 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index 0b0cf0a..0b017ad 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -351,7 +351,7 @@
   unsigned NumElements = 1;
 
   if (I->getNumOperands()) {   // Allocating a unsized array type?
-    assert(Ty->isArrayType() && Ty->isArrayType()->isUnsized() && 
+    assert(Ty->isArrayType() && Ty->castArrayType()->isUnsized() && 
 	   "Allocation inst with size operand for !unsized array type???");
     Ty = ((const ArrayType*)Ty)->getElementType();  // Get the actual type...