[llvm-bugs] [Bug 34238] New: LTO is optimizing away symbols referenced from linker scripts

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34238

            Bug ID: 34238
           Summary: LTO is optimizing away symbols referenced from linker
                    scripts
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: phosek at chromium.org
                CC: llvm-bugs at lists.llvm.org

LTO doesn't see the symbols that are referenced from linker scripts, and if
there are no other references to these symbols, it optimizes them away as
unused. We need to teach LLD to pass the information about these symbols to LTO
backend same as it already does for __start_* and __stop_* symbols.

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