[Bug rtl-optimization/78911] [5/6/7 Regression] Infinite loop at -O2/O3 optimization levels while trying to compile server.c from Wine-2.0-rc2

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78911

--- Comment #13 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Author: bernds
Date: Fri Mar 10 21:17:13 2017
New Revision: 246059

URL: https://gcc.gnu.org/viewcvs?rev=246059&root=gcc&view=rev
Log:
        PR rtl-optimization/78911
        * lra-assigns.c (must_not_spill_p): New function.
        (spill_for): Use it.

        PR rtl-optimization/78911
        * gcc.target/i386/pr78911-1.c: New test.
        * gcc.target/i386/pr78911-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr78911-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr78911-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-assigns.c
    trunk/gcc/testsuite/ChangeLog