[PATCH] D117348: [Preprocessor] Reduce the memory overhead of `#define` directives

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith added inline comments.


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Comment at: clang/lib/Lex/MacroInfo.cpp:33
+
+// MacroInfo is expected to take 40 bytes on platforms with an 8 byte pointer.
+template <int> class MacroInfoSizeChecker {
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aaron.ballman wrote:
> Should we do this dance for 32-bit systems as well?
Do I remember correctly that `SourceLocation`'s size recently became configurable? Or maybe it will be soon? Should that be factored in somehow?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117348/new/

https://reviews.llvm.org/D117348