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* Add a fixed version of r195470 back.Rafael Espindola2013-11-221-5/+6
| | | | | | | | | | | | | | | | The fix is simply to use CurI instead of I when handling aliases to avoid accessing a invalid iterator. original message: Convert linkonce* to weak* instead of strong. Also refactor the logic into a helper function. This is an important improve on mingw where the linker complains about mixed weak and strong symbols. Converting to weak ensures that the symbol is not dropped, but keeps in a comdat, making the linker happy. llvm-svn: 195477
* Revert "Convert linkonce* to weak* instead of strong."Rafael Espindola2013-11-221-6/+5
| | | | | | | This reverts commit r195470. Debugging failure in some bots. llvm-svn: 195472
* Convert linkonce* to weak* instead of strong.Rafael Espindola2013-11-221-5/+6
| | | | | | | | | Also refactor the logic into a helper function. This is an important improvement on mingw where the linker complains about mixed weak and strong symbols. Converting to weak ensures that the symbol is not dropped, but keeps in a comdat, making the linker happy. llvm-svn: 195470
* Check isDiscardableIfUnused, rather than hasLocalLinkage, when bumpingLang Hames2013-03-041-0/+23
GlobalValue linkage up to ExternalLinkage in the ExtractGV pass. This prevents linkonce and linkonce_odr symbols from being DCE'd. llvm-svn: 176459
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