[lldb-dev] Build break caused by "

[Zachary Turner]

I have no idea if this is related, but I made r221378 in LLDB yesterday to
fix a build breakage as a result of an upstream LLVM change.  I'm not sure
what LLVM change introduced the break.  At first your r221471 sounded like
it might be relevant, but that comes after my change, so it couldn't have
been that.

Either way, maybe a red herring, just rang a bell when you mentioned
dynamic type of metadata.

On Thu Nov 06 2014 at 3:05:23 PM Sean Callanan <scallanan at apple.com> wrote:

> After some local reverting, it turns out that no, it didn’t.  Curses!
>
> Sean
>
> On Nov 6, 2014, at 2:37 PM, Sean Callanan <scallanan at apple.com> wrote:
>
> Greg,
>
> LLVM r221471 broke this.  Somebody made bad assumptions about what the
> dynamic type of a piece of metadata might be.
>
> Sean
>
> On Nov 6, 2014, at 1:09 PM, Greg Clayton <gclayton at apple.com> wrote:
>
> We think this is due to a clang change. We will be tracking this down
> shortly.
>
> On Nov 6, 2014, at 1:01 PM, Greg Clayton <gclayton at apple.com> wrote:
>
> The expression parser is failing for printf:
>
> (lldb) expr (int)printf("hello\n")
> error: call to a function 'printf(char const*, ...)' ('_Z6printfPKcz')
> that is not present in the target
> error: warning: function 'printf' has internal linkage but is not defined
> note: used here
> error: The expression could not be prepared to run in the target
>
> This seems to be the bug we need to track down. We will take care of that
> here at Apple.
>
> On Nov 6, 2014, at 11:54 AM, Vince Harron <vharron at google.com> wrote:
>
> Hi all,
>
> If I'm reading this correctly, it looks like Change #69502 caused some
> unit test failures in Linux.
>
> http://lab.llvm.org:8011/builders/lldb-x86_64-freebsd/builds/2513
> http://lab.llvm.org:8011/builders/lldb-x86_64-freebsd/builds/2512
>
> Thanks,
>
> Vince
>
>
>
> --
>
> Vince Harron | Technical Lead Manager | vharron at google.com | 858-442-0868
>
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