[Bug go/89368] [9 regression] ICE in go/gofrontend/expressions.cc:4669 after r268923

[ian at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89368

--- Comment #1 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> ---
Author: ian
Date: Fri Feb 15 21:04:58 2019
New Revision: 268948

URL: https://gcc.gnu.org/viewcvs?rev=268948&root=gcc&view=rev
Log:
        PR go/89368
    compiler: write barrier check nil-check policy tweak

    Tweak the recipe for generating writeBarrier loads to insure that the
    dereference expr is marked as not requiring a nil check (not needed
    for gccgo, but needed for gollvm).

    Fixes https://gcc.gnu.org/PR89368

    Reviewed-on: https://go-review.googlesource.com/c/162904

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/gcc/go/gofrontend/wb.cc