[llvm-dev] Debug Locations for Optimized Code

[Robinson, Paul via llvm-dev]

> -----Original Message-----
> From: Evgenii Stepanov [mailto:eugeni.stepanov at gmail.com]
> Sent: Wednesday, December 07, 2016 4:51 PM
> To: Kostya Serebryany
> Cc: Robinson, Paul; llvm-dev at lists.llvm.org
> Subject: Re: [llvm-dev] Debug Locations for Optimized Code
> 
> In fact, we are already using "parallel" debug info. Frame layout
> descriptions encode line numbers for local variable declarations. They
> don't include file names to keep object size under control, and we
> can't really afford to add more duplicate debug info.
> 
> On Wed, Dec 7, 2016 at 1:44 PM, Kostya Serebryany via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> > my 2c.
> >
> > the sanitizers rely on debug info to produce human-readable error
> messages,

If the sanitizers already rely on the debug info line table, which
already has a file table, why can't frame layout descriptions use 
that as well?
--paulr