[Bug sanitizer/82353] [8 Regression] runtime ubsan crash

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82353

--- Comment #6 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Wed Oct 11 19:35:48 2017
New Revision: 253656

URL: https://gcc.gnu.org/viewcvs?rev=253656&root=gcc&view=rev
Log:
2017-10-11  Vladimir Makarov  <vmakarov@redhat.com>

        PR sanitizer/82353
        * lra.c (collect_non_operand_hard_regs): Don't ignore operator
        locations.
        * lra-lives.c (bb_killed_pseudos, bb_gen_pseudos): Move up.
        (make_hard_regno_born, make_hard_regno_dead): Update
        bb_killed_pseudos and bb_gen_pseudos.

2017-10-11  Vladimir Makarov  <vmakarov@redhat.com>

        PR sanitizer/82353
        * gcc.target/i386/i386.exp (tests): Permit '.C' extension.
        * gcc.target/i386/pr82353.C: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr82353.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-lives.c
    trunk/gcc/lra.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/i386.exp