I've been seeing similar messages to this one for quite some time now -- I think ~1 year. I don't often use unpack so there are likely many other causes too. I haven't take the time to isolate them, but if I can do so easily, I'll submit reports.
Damian On Mon, Sep 28, 2020 at 2:12 PM Tobias Burnus <tob...@codesourcery.com> wrote: > There are more warnings, but I picked this one which shows up > with default build options for GCC trunk – twice for each > generated file: > > ../../../../repos/gcc/libgfortran/generated/unpack_i2.c:128:12: warning: > ‘rstride’ may be used uninitialized [-Wmaybe-uninitialized] > ../../../../repos/gcc/libgfortran/generated/unpack_i2.c:278:12: warning: > ‘rstride’ may be used uninitialized [-Wmaybe-uninitialized] > > Hence, 13 times these messages (×2 warnings/file + ×2 with multilib) → 53 > 'warning:'. > > Seemingly, the compiler logic has changes as the previous location > used to be sufficient to silence the compiler. > (The warning is right if base_addr = NULL and dim = 0; the latter should > not occur but the compiler does not know this.) > > Committed as obvious as r11-3508-g69c56ce673d1e1d4508e82053a32011f807c6088 > > Tobias > > ----------------- > Mentor Graphics (Deutschland) GmbH, Arnulfstraße 201, 80634 München / > Germany > Registergericht München HRB 106955, Geschäftsführer: Thomas Heurung, > Alexander Walter >
