ahatanak marked an inline comment as done.
ahatanak added inline comments.

================
Comment at: lib/CodeGen/CGObjCMac.cpp:7266
+                                     false,
+                                     CGM.getTriple().isOSBinFormatMachO()
+                                         ? llvm::GlobalValue::InternalLinkage
----------------
ahatanak wrote:
> compnerd wrote:
> > Is there a reason to not make this and the other instances `Internal` 
> > irrespective of the object file format?
> When the object file format isn't MachO, this variable doesn't go into a 
> section that is in `__DATA`, so we want to keep the variable private to avoid 
> needlessly preserving the symbol name.
> 
> The intent of the patch is to prevent the linker from removing the symbol 
> names of symbols in `__DATA` so that tools can collect information about 
> those symbols.
I realized that there are other places where I should check the object file 
format so that the linkage isn't changed to internal when it doesn't have to be 
changed.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61454/new/

https://reviews.llvm.org/D61454



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