Don't silently truncate array extents to 32 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51505 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Assembler/huge-array.ll b/test/Assembler/huge-array.ll
new file mode 100644
index 0000000..e080947
--- /dev/null
+++ b/test/Assembler/huge-array.ll
@@ -0,0 +1,5 @@
+; RUN: llvm-as < %s | llvm-dis | grep 18446744073709551615 | count 2
+
+define [18446744073709551615 x i8]* @foo() {
+  ret [18446744073709551615 x i8]* null
+}