[CIR][Lowering] Updated nested-union-array test to remove special case handling result

Author: tommymcm

clang/test/CIR/Lowering/nested-union-array.c

@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s --check-prefix=LLVM
+
+struct nested
+{
+  union {
+    const char *single;
+    const char *const *multi;
+  } output;
+};
+static const char * const test[] = {
+  "test",
+};
+const struct nested data[] = 
+{
+    {
+        {
+            .multi = test,
+        },
+    },
+    {
+        {
+            .single = "hello",
+        },
+    },
+};
+
+// LLVM: @data = constant [2 x {{.*}}]