[clang] [Clang] Handle structs with inner structs and no fields (PR #89126)

[Eli Friedman via cfe-commits]

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@@ -0,0 +1,22 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -O2 -Wno-missing-declarations -emit-llvm -o - %s | FileCheck %s
+
+struct foo {
+  struct bar {
+    int count;
+    int array[] __attribute__((counted_by(count)));
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efriedma-quic wrote:

Ideally, we should be able to compute the size here; would need to change the way we compute the "outer" type.

Can leave that for a followup, I guess.

https://github.com/llvm/llvm-project/pull/89126