[LLVMbugs] [Bug 17108] New: Don't resolve an undefined reference to a linkonce_* definition

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17108

            Bug ID: 17108
           Summary: Don't resolve an undefined reference to a linkonce_*
                    definition
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Linker
          Assignee: unassignedbugs at nondot.org
          Reporter: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

llvm-link currently is OK with linking

-------------
define void @g() {
  call void @f()
  ret void
}
declare void @f()
-------------

with

--------------
define linkonce_odr void @f() {
  ret void
}
--------------

Since linkonce_* definitions can be dropped, it would be nice for the linker to
reject this. It would have made pr13124 easier to see for example.

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