[llvm-dev] Miscompilation while switching from clang-4 to clang-5

Michael Kruse via llvm-dev llvm-dev at lists.llvm.org
Mon Jun 4 06:58:44 PDT 2018

2018-06-04 4:42 GMT-05:00 Alex Denisov <1101.debian at gmail.com>:
> Thank you, everyone, for the help.
> As a followup:
> I tried to svn-bisect and find the place where the change was introduced, but I cannot find a good commit: whenever I use clang built from sources I see the same problem "CommandLine Error" as with clang-5.
> I am sure that the very specific is in our build system setup, but I am still curious where the difference comes from.
> I may do another debugging round, but not sure if I am ready to invest more time into it.

I'd assume this has more to do with your system's configuration. Be
sure to have just a single compiled LLVM on your system (e.g. remove
your distribution's llvm package etc). Did you try on another system?


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