On Fri, Nov 30, 2012 at 11:39 AM, Paolo Bonzini <bonz...@gnu.org> wrote: > Il 29/11/2012 23:47, Uros Bizjak ha scritto: >> This one-liner causes following runtime test failure [1] for >> alphaev68-linux-gnu: >> >> FAIL: gfortran.fortran-torture/execute/save_1.f90 execution, -O2 >> FAIL: gfortran.fortran-torture/execute/save_1.f90 execution, -O2 >> -fomit-frame-pointer -finline-functions >> FAIL: gfortran.fortran-torture/execute/save_1.f90 execution, -O2 >> -fomit-frame-pointer -finline-functions -funroll-loops >> FAIL: gfortran.fortran-torture/execute/save_1.f90 execution, -O2 >> -fbounds-check >> >> The patch miscompiles libgfortran library. >> >> I will provide more info tomorrow, any hint what/where should I look >> for differences? > > Anywhere. The bug disabled a large part of alias analysis. > > Perhaps you can bisect it and backport the fix along the steps.
Or open a PR and assign it to me, ultimately I'm responsible for this breakage. Ciao! Steven
