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LLVM Gold plugin decides which instance of a common symbol it wants based on the symbol size in claim_file_hook. If the file that contains the chosen instance is later dropped from the link, we end up with an undefined reference. This change delays this decision until the set of the included files is known. llvm-svn: 263180
The LLVM Gold LTO Plugin ======================== This directory contains a plugin that is designed to work with binutils gold linker. At present time, this is not the default linker in binutils, and the default build of gold does not support plugins. See docs/GoldPlugin.html for complete build and usage instructions. NOTE: libLTO and LLVMgold aren't built without PIC because they would fail to link on x86-64 with a relocation error: PIC and non-PIC can't be combined. As an alternative to passing --enable-pic, you can use 'make ENABLE_PIC=1' in your entire LLVM build.