================
@@ -124,7 +124,7 @@ struct HeaderFileInfo {
/// This ID number will be non-zero when there is a controlling
/// macro whose IdentifierInfo may not yet have been loaded from
/// external storage.
- unsigned ControllingMacroID = 0;
+ uint64_t ControllingMacroID = 0;
----------------
jansvoboda11 wrote:
This increases the size of `HeaderFileInfo` from 32 to 40 bytes. Can we squash
this member with `ControllingMacro` into some kind of tagged pointer &
`uint64_t` union to save space?
https://github.com/llvm/llvm-project/pull/92085
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