[clang] [clang][bytecode] Don't memcpy() FixedPoint values (PR #123599)

[Vlad Serebrennikov via cfe-commits]

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@@ -91,6 +91,31 @@ class FixedPoint final {
     return ComparisonCategoryResult::Greater;
   }
 
+  size_t bytesToSerialize() const {
+    return sizeof(uint32_t) + (V.getValue().getBitWidth() / CHAR_BIT);
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Endilll wrote:

I wonder how much do we care about `CHAR_BIT != 8`. Or you just avoid unnamed constants in the code?

https://github.com/llvm/llvm-project/pull/123599