[Bug ipa/66896] ipa-prop.c:2479 runtime error: member call on null pointer of type 'struct ipa_polymorphic_call_context'

["marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66896

--- Comment #12 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Vittorio Zecca from comment #11)
> I have a version of gcc 5.2.0 compiled with the -fsanitize=undefined option.
> This sanitized version gave me a runtime error due to dereferencing
> the pointer dst_ctx
> which was NULL. After the change I suggested the message disappeared.
> 
> You may double check my finding, as I did myself, by putting
> 
> assert(dst_ctx)
> 
> before its dereferencing in ipa-prop.c as in
> 
> assert(dst_ctx),dst_ctx->combine_with (ctx);
> 
> It happens twice in isa-prop.c
> 
> Then try it with the two C codes I sent, with option -O2

Hello.

I double-checked that there's no other NULL dereferencing in ipa-prop.c.

Can you please confirm that gcc-5-branch works correctly?

Thanks,
Martin
>From gcc-bugs-return-494196-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 05 16:16:16 2015
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Subject: [Bug fortran/64921] [4.9/5/6 Regression] FAIL: gfortran.dg/class_allocate_18.f90
Date: Wed, 05 Aug 2015 16:16:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd921

--- Comment #27 from Mikael Morin <mikael at gcc dot gnu.org> ---
Author: mikael
Date: Wed Aug  5 16:15:40 2015
New Revision: 226636

URL: https://gcc.gnu.org/viewcvs?rev"6636&root=gcc&view=rev
Log:
Fix random class_allocate_18.f90 failure

        PR fortran/64921
gcc/fortran/
        * class.c (generate_finalization_wrapper): Set finalization
        procedure symbol's always_explicit attribute.
gcc/testsuite/
        * gfortran.dg/class_allocate_20.f90: New.


Added:
    branches/gcc-5-branch/gcc/testsuite/gfortran.dg/class_allocate_20.f90
Modified:
    branches/gcc-5-branch/gcc/fortran/ChangeLog
    branches/gcc-5-branch/gcc/fortran/class.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog