http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55211
--- Comment #16 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-11-05 22:19:38 UTC --- > The bug does not trigger using that var-tracking test file using a properly > configures 32-bit compiler, I just checked. Configure a regular cross to sparc64 on x86-64, compile the testcase with -O2 -m32 -mcpu=v8, you'll get at line 23220: add %i5, %i5, %g1 ld [%i2+%i5], %i1 ldd [%i0+%g1], %o1