search for: linkeonc

Hi, I have a question regarding the behavior of weak symbol resolution in LTO: Suppose there are weak definitions in both the source code and some native lib. In non-LTO path, we will use the version from source code. In LTO path, LLVM may discard the definition as it has "linkeonce" linkage type. So the native version will be selected by linker. Now, non-LTO and LTO build may have different behavior. The question is do we need to make non-LTO and LTO have the same behavior? If so, the LTO part needs to create pseudo uses (or some other mechanism) to keep the symbol...