max-kudr added inline comments.
================
Comment at:
lldb/source/Plugins/Process/Linux/IntelPTPerThreadProcessTrace.cpp:55-59
+Expected<std::unique_ptr<IntelPTPerThreadProcessTrace>>
IntelPTPerThreadProcessTrace::Start(const TraceIntelPTStartRequest &request,
ArrayRef<lldb::tid_t> current_tids) {
- IntelPTProcessTraceUP trace(new IntelPTPerThreadProcessTrace(request));
+ std::unique_ptr<IntelPTPerThreadProcessTrace> trace(
+ new IntelPTPerThreadProcessTrace(request));
----------------
wallace wrote:
> max-kudr wrote:
> > @wallace, @jj10306
> >
> > We are getting build errors here on CentOS/GNU 7.3.1:
> >
> > ```
> > /llvm-project/lldb/source/Plugins/Process/Linux/IntelPTPerThreadProcessTrace.cpp:
> > In static member function 'static
> > llvm::Expected<std::unique_ptr<lldb_private::process_linux::IntelPTPerThreadProcessTrace>
> > > lldb_private::process_linux::IntelPTPerThreadProcessTrace::Start(const
> > lldb_private::TraceIntelPTStartRequest&, llvm::ArrayRef<long unsigned
> > int>)':
> > /llvm-project/lldb/source/Plugins/Process/Linux/IntelPTPerThreadProcessTrace.cpp:65:10:
> > error: could not convert 'trace' from
> > 'std::unique_ptr<lldb_private::process_linux::IntelPTPerThreadProcessTrace>'
> > to
> > 'llvm::Expected<std::unique_ptr<lldb_private::process_linux::IntelPTPerThreadProcessTrace>
> > >'
> > return trace;
> > ^~~~~
> > ```
> >
> > Can you please fix this?
> >
> Hi Max, I'm aware of this issue because it was reported by someone else.
> Sadly I wasn't able to install that toolchain on my centos machine (I don't
> manage it) so I can't reproduce the issue to make sure I can fix it. This
> issue doesn't happen with other toolchains.
>
> So, I would like to ask for your help to try to fix it. I think the fix might
> be something as simple as doing
>
> return std::move(trace)
> or perhaps something like
>
> return
> Expected<std::unique_ptr<IntelPTPerThreadProcessTrace>>(std::move(trace));
> At this point I can only rely on you to make sure this is properly fixed
Hi Walter (@wallace),
Thank you for following up and proposing fix. I checked and confirm that the
code below fixes the issue
```
return std::move(trace)
```
Would you please push this fix to the repository? Thank you!
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D127456/new/
https://reviews.llvm.org/D127456
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