[llvm-bugs] [Bug 32689] New: /msvclto creates response files with lines that are too long for msvc's linker (LNK1170)

[via llvm-bugs]

http://bugs.llvm.org/show_bug.cgi?id=32689

            Bug ID: 32689
           Summary: /msvclto creates response files with lines that are
                    too long for msvc's linker (LNK1170)
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: COFF
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm at inglorion.net
                CC: llvm-bugs at lists.llvm.org

When linking with /msvclto, lld-link uses a response file to pass parameters to
MSVC's linker. We use spaces to separate the parameters, which can result in a
very long line being created. When this happens, link.exe will fail with:

fatal error LNK1170: line in command file contains 131071 or more characters

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