PR28149, debug info with wrong file association

[Alan Modra]

On Fri, Sep 17, 2021 at 10:49:20AM +0200, Eric Botcazou wrote:
> > A freshly built x86_64-linux mainline gcc compiling this testcase
> > 
> > asm("nop");
> > int main ()
> > {
> >   return 0;
> > }
> > 
> > ~/build/gcc/gcc/xgcc -B ~/build/gcc/gcc/ -g pr28149.c -v -save-temps
> > shows the assembler being invoked with --gdwarf-5 on the following
> 
> Your compiler does not seem to be properly configured, here's mine:

I'm sorry, I see I had a mainline gcc built from older sources..
Today's build was commit a6aa2458a92f from the top of the gcc-11
branch.  That one does show the problem.  I'll build a fresh gcc from
mainline which will no doubt behave as you say.

-- 
Alan Modra
Australia Development Lab, IBM