[llvm-bugs] [Bug 40467] New: -O0 builds get "relocation out of range" in applyArm64Branch26

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40467

            Bug ID: 40467
           Summary: -O0 builds get "relocation out of range" in
                    applyArm64Branch26
           Product: new-bugs
           Version: 8.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: dmajor at mozilla.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    martin at martin.st, mgrang at codeaurora.org

An -O0 debug build of Firefox for aarch64-windows hits many instances of:

15:27.07 lld-link: error: relocation out of range

As far as I can tell, they're all from `applyArm64Branch26`. It doesn't appear
at -O1 and up, so I'm guessing the huge code sizes play a part in this. MSVC
seems okay with such sizes though.

I have a (very large) linkrepro that I can share upon request.

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