[Bug target/77326] [avr] Invalid optimization using varargs and a weak function

["gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77326

--- Comment #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Author: gjl
Date: Wed Sep 21 14:11:59 2016
New Revision: 240315

URL: https://gcc.gnu.org/viewcvs?rev=240315&root=gcc&view=rev
Log:
gcc/
        Backport from 2016-09-21 trunk r240306.
        PR target/77326
        * config/avr/avr.c (hard-reg-set.h): Move #include up in front
        of rtl.h to that HARD_CONST is defined in rtl.h.
        (avr_notice_update_cc) [CC_NONE]: If insn touches some regs
        mentioned in cc_status, do CC_STATUS_INIT.

gcc/testsuite/
        Backport from 2016-09-21 trunk r240306.
        PR target/77326
        * gcc.target/avr/torture/pr77326.c: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/avr/torture/pr77326.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/avr/avr.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog