[clang] [Clang][RFC] Introduce a trait to determine the structure binding size (PR #131515)

[Shafik Yaghmour via cfe-commits]

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@@ -0,0 +1,182 @@
+// RUN: %clang_cc1 %s -std=c++2c -fsyntax-only -verify
+// RUN: %clang_cc1 %s -std=c++2c -fsyntax-only -verify -fexperimental-new-constant-interpreter
+
+
+struct S0 {};
+struct S1 {int a;};
+struct S2 {int a; int b;};
+struct S3 {double a; int b; int c;};
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shafik wrote:

I was just about to make a similar comment

static members? bit-field? anon bit-fields? I guess it will just failed w/ anon union members?

https://github.com/llvm/llvm-project/pull/131515