On Mon, 2016-04-11 at 16:00 +0200, david.abdurachmanov(a)cern.ch wrote:
From: David Abdurachmanov <davidlt(a)cern.ch>
Noticed with Fedora 24 Alpha, gcc (GCC) 6.0.0 20160406
(Red Hat 6.0.0-0.20).
elfcmp.c: In function ‘main’:
elfcmp.c:364:199: error: self-comparison always evaluates
to false [-Werror=tautological-compare]
if (unlikely (name1 == NULL || name2 == NULL
@@ -368,7 +368,7 @@ main (int argc, char *argv[])
&& sym1->st_shndx != SHN_UNDEF)
|| sym1->st_info != sym2->st_info
|| sym1->st_other != sym2->st_other
- || sym1->st_shndx != sym1->st_shndx))
+ || sym1->st_shndx != sym2->st_shndx))
{
// XXX Do we want to allow reordered symbol tables?
symtab_mismatch:
Thanks! And oops. Applied since that was obviously wrong.
Nice that GCC caught that. I am slightly surprised my own GCC6 testing
didn't find this. I am using upstream gcc (GCC) 6.0.0 20160410
(experimental). Did you have to do anything special on your Fedora setup
to make GCC detect this?
Thanks,
Mark