new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8953 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/InstCombine/cast.ll

@@ -66,3 +66,10 @@ short %test10(short %A) {
 	ret short %c2
 }
 
+declare void %varargs(int, ...)
+
+void %test11(int* %P) {
+	%c = cast int* %P to short*
+	call void(int, ...)* %varargs(int 5, short* %c)
+	ret void
+}