[clang] [X86] Fix CodeGen crash for arrays of empty structs and unions (PR #224203)

[via cfe-commits]

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@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -triple=x86_64 -emit-llvm -o - %s | FileCheck %s
+
+struct StructArray {
+    long a;
+    float b;
+    struct {
+    } c[7];
+}
+
+struct UnionArray {
+    long a;
+    float b;
+    union {
+    } c[7];
+}
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MaooJian wrote:

added it, thx

https://github.com/llvm/llvm-project/pull/224203