[clang] [attributes][-Wunsafe-buffer-usage] Support adding unsafe_buffer_usage attribute to struct fields (PR #101585)

[Artem Dergachev via cfe-commits]

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@@ -2261,6 +2262,12 @@ class UnsafeBufferUsageReporter : public UnsafeBufferUsageHandler {
         // note_unsafe_buffer_operation doesn't have this mode yet.
         assert(!IsRelatedToDecl && "Not implemented yet!");
         MsgParam = 3;
+      } else if (isa<MemberExpr>(Operation)) {
+        // note_unsafe_buffer_operation doesn't have this mode yet.
+        assert(!IsRelatedToDecl && "Not implemented yet!");
+        auto ME = dyn_cast<MemberExpr>(Operation);
+        name = ME->getMemberDecl()->getName();
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haoNoQ wrote:

> Perhaps that needs to be a separate PR?

It shouldn't block this PR but it'd indeed be very nice to have either way.

https://github.com/llvm/llvm-project/pull/101585