[llvm-bugs] [Bug 40078] New: Poor diagnostic from MRI addlib when no prior open/create command

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40078

            Bug ID: 40078
           Summary: Poor diagnostic from MRI addlib when no prior
                    open/create command
           Product: tools
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: llvm-ar
          Assignee: unassignedbugs at nondot.org
          Reporter: edd-llvm at mr-edd.co.uk
                CC: llvm-bugs at lists.llvm.org

When using an MRI script such as the following, with no initial CREATE or OPEN
command...

  ADDLIB example.a
  SAVE

... we see the following on stderr:

  llvm-ar.exe: creating
  llvm-ar.exe: The program issued a command but the command length is
incorrect.

llvm-ar exits with code 1 as I would expect, but this diagnostic isn't useful.

The first line of the stderr is perhaps an indication that it's trying to
create an archive with no name.

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