[clang] fix: constexpr bit_cast with empty base classes (PR #82383)

[via cfe-commits]

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@@ -280,6 +280,8 @@ Bug Fixes to C++ Support
   was only accepted at namespace scope but not at local function scope.
 - Clang no longer tries to call consteval constructors at runtime when they appear in a member initializer.
   (`#782154 <https://github.com/llvm/llvm-project/issues/82154>`_`)
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sethp wrote:

Gotcha: I don't have a commit bit, so I opened up a quick PR: https://github.com/llvm/llvm-project/pull/82655



https://github.com/llvm/llvm-project/pull/82383