[Bug target/91767] [10 regression] After r274953, clang-compiled xgcc segfaults during RTL pass: stv

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91767

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Sep 20 06:42:39 2019
New Revision: 275989

URL: https://gcc.gnu.org/viewcvs?rev=275989&root=gcc&view=rev
Log:
2019-09-20  Richard Biener  <rguent...@suse.de>

        PR target/91767
        * config/i386/i386-features.c
(general_scalar_chain::convert_registers):
        Ensure there's a sequence point between allocating the new register
        and passing a reference to a reg via regno_reg_rtx.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-features.c