[LLVMbugs] [Bug 17982] incompatible bitcode files due to debug info changes

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17982

Eric Christopher <echristo at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #1 from Eric Christopher <echristo at gmail.com> ---
Hi Bob,

Metadata formats are not guaranteed to be stable and this has been an explicit
design factor. The versioning support was removed many months ago and the debug
info format has been moving quickly. This has been stated many times on list,
in discussion, and with patches.

http://llvm.org/viewvc/llvm-project?rev=176838&view=rev

is the revision where the versioning, that didn't work anyhow, was finally
removed back in March.

Once the verifier works better it can discard debug metadata that fails
verification if we'd like to go that route.

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