[llvm] MC: Store fragment content and fixups out-of-line (PR #146307)

[Alexis Engelke via llvm-commits]

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@@ -296,10 +301,7 @@ class LLVM_ABI MCSection {
 
 /// Interface implemented by fragments that contain encoded instructions and/or
 /// data.
-///
 class MCEncodedFragment : public MCFragment {
-  uint8_t BundlePadding = 0;
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aengelke wrote:

I think keeping this here would keep the size of an MCEncodedFragment smaller, there is no padding after base classes (MCFragment is 30 bytes). But given that we hopefully can remove it altogether very soon, I don't think this is important now.

https://github.com/llvm/llvm-project/pull/146307