[clang] [Clang][C++20] Implement constexpr std::bit_cast for bit-fields (& [Sema] Print more static_assert exprs) (PR #74775)

[via cfe-commits]

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@@ -49,19 +48,33 @@
 #include "clang/AST/OptionalDiagnostic.h"
 #include "clang/AST/RecordLayout.h"
 #include "clang/AST/StmtVisitor.h"
+#include "clang/AST/Type.h"
 #include "clang/AST/TypeLoc.h"
 #include "clang/Basic/Builtins.h"
-#include "clang/Basic/DiagnosticSema.h"
+#include "clang/Basic/DiagnosticAST.h"
 #include "clang/Basic/TargetInfo.h"
 #include "llvm/ADT/APFixedPoint.h"
+#include "llvm/ADT/APInt.h"
+#include "llvm/ADT/APSInt.h"
 #include "llvm/ADT/SmallBitVector.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/SaveAndRestore.h"
+#include "llvm/Support/SwapByteOrder.h"
 #include "llvm/Support/TimeProfiler.h"
 #include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cstddef>
+#include <cstdint>
 #include <cstring>
 #include <functional>
+#include <iomanip>
+#include <iterator>
 #include <optional>
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sethp wrote:

Not entirely sure how I'm getting away with this on Linux/gcc, but it looks like the CI build failed because of a missing #include:

```suggestion
#include <optional>
#include <sstream>
```

https://github.com/llvm/llvm-project/pull/74775