On 3/18/19 5:07 PM, James Hilliard wrote: > On Mon, Mar 18, 2019 at 4:51 PM Jakub Jelinek <ja...@redhat.com> wrote: >> >> On Mon, Mar 18, 2019 at 04:41:05PM -0600, James Hilliard wrote: >>>> Thanks, but I'm saying that if you look at the code you can see that >>>> st is clearly initialized, by the call to lstat. I would like to see >>>> an explanation for why you are seeing that warning before changing the >>>> code to disable it. Initializing st should not be necessary here. >>>> For example, perhaps lstat is a macro when compiling libsanitizer; if >>>> that is the underlying problem, then we should fix the macro, not this >>>> code. >>> Yeah, I'm not sure why the compiler thinks lstat isn't initializing st. >>> What should I do to debug this further? >> >> Guess you should start by telling us which OS it is on (I can't reproduce >> this warning on x86_64-linux nor i686-linux with glibc 2.28), looking at >> preprocessed source to see what exactly lstat does (e.g. if it is some macro >> or inline function and what exactly it is doing). > I am cross compiling with buildroot master branch using ubuntu 18.10. > I am building gcc 8.3.0 and glibc 2.29 for the cross toolchain. > The build and target systems are both x86_64. Add "-save-temps" to the command line. That will create a .i file, send the .i file along with the command line.
jeff