[Bug target/70302] [6 Regression] crash on valid code at -O2 and -O3 in 32-bit mode on x86_64-linux-gnu (in convert_op, at config/i386/i386.c:3414)

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70302

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Tue Mar 22 19:00:14 2016
New Revision: 234406

URL: https://gcc.gnu.org/viewcvs?rev=234406&root=gcc&view=rev
Log:
2016-03-22  Ilya Enkovich  <enkovich....@gmail.com>

        PR target/70302
        * config/i386/i386.c (scalar_chain::convert_op): Support
        uninitialized register usage case.

        PR target/70302
        * gcc.target/i386/pr70302.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr70302.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog