[Bug rtl-optimization/88033] [9 Regression] ICE on valid code at -O2 and -O3 on x86-64-linux-gnu: in remove_some_program_points_and_update_live_ranges, at lra-lives.c:1179

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88033

--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> ---
Author: bergner
Date: Mon Nov 19 19:35:51 2018
New Revision: 266282

URL: https://gcc.gnu.org/viewcvs?rev=266282&root=gcc&view=rev
Log:
gcc/
        PR rtl-optimization/88033
        * ira-lives.c (non_conflicting_reg_copy_p): Skip copies from a register
        to itself.  Use HARD_REGISTER_NUM_P.

gcc/testsuite/
        PR rtl-optimization/88033
        * gcc.target/i386/pr88033.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr88033.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-lives.c
    trunk/gcc/testsuite/ChangeLog