[Bug debug/86257] Program compiled with fPIC crashes while stepping over thread-local variable GDB

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86257

--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Mon Jun 25 10:39:54 2018
New Revision: 262006

URL: https://gcc.gnu.org/viewcvs?rev=262006&root=gcc&view=rev
Log:
[i386/debug] Fix insn prefix in tls_global_dynamic_64_<mode>

2018-06-25  Tom de Vries  <tdevr...@suse.de>

        PR debug/86257
        * config/i386/i386.md (define_insn "*tls_global_dynamic_64_<mode>"):
        Use data16 instead of .byte for insn prefix.

        * gcc.target/i386/pr86257.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr86257.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog