Hi,

On Sun, Jan 17, 2021 at 11:30:59AM -0800, sunil.k.pandey wrote:
> On Linux/x86_64,
> 
> 3804e937b0e252a7e42632fe6d9f898f1851a49c is the first bad commit
> commit 3804e937b0e252a7e42632fe6d9f898f1851a49c
> Author: Mark Wielaard <m...@klomp.org>
> Date:   Tue Sep 29 15:52:44 2020 +0200
> 
>     Default to DWARF5
> 
> caused
> 
> 
> with GCC configured with
> 
> 

Thanks for the report, although it looks like some information about the
cause and configuration is missing from the above.

This is being tracked as
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716

The asan related failures seem to be caused by confusion about the
actual file an error occured in when -flto and -gdwarf-5 is used.
Possibly a libbacktrace issue.

The pretty printer seems to not recognize
std::list<std::basic_string<char, std::char_traits<char>, std::allocator<char> >
as std::list<std::string>

Cheers,

Mark 

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