CodeGeneration: Adjust call to CreateCall.

Needed to avoid compile error after the patch "Convert CallInst and
InvokeInst APIs to use ArrayRef.

Contributed by: Sebastian Pop <sebpop@gmail.com>

llvm-svn: 135321
diff --git a/polly/lib/CodeGeneration.cpp b/polly/lib/CodeGeneration.cpp
index 87f1665..efe0182 100644
--- a/polly/lib/CodeGeneration.cpp
+++ b/polly/lib/CodeGeneration.cpp
@@ -1028,8 +1028,7 @@
 
     Function *parallelStartFunction =
       M->getFunction("GOMP_parallel_loop_runtime_start");
-    Builder.CreateCall(parallelStartFunction, Arguments.begin(),
-                       Arguments.end());
+    Builder.CreateCall(parallelStartFunction, Arguments);
 
     // Create call to the subfunction.
     Builder.CreateCall(SubFunction, subfunctionParam);