[clang] [clang][Interp] Implement __builtin_bit_cast (PR #68288)

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@@ -66,6 +67,12 @@ class Boolean final {
   Boolean toUnsigned() const { return *this; }
 
   constexpr static unsigned bitWidth() { return 1; }
+  constexpr static unsigned objectReprBits() { return 8; }
+  constexpr static unsigned valueReprBytes(const ASTContext &Ctx) { return 1; }
+  constexpr static unsigned valueReprBits(const ASTContext &Ctx) {
+    return 8;
+  } // FIXME: Is this correct?
----------------
cor3ntin wrote:

`Ctx.getTargetInfo().getBoolWidth()` should do the trick

https://github.com/llvm/llvm-project/pull/68288
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