https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80102

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Mar 27 21:00:35 2017
New Revision: 246511

URL: https://gcc.gnu.org/viewcvs?rev=246511&root=gcc&view=rev
Log:
        PR target/80102
        * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
        notes.
        * cfgcleanup.c (reg_note_cfa_p): New array.
        (insns_have_identical_cfa_notes): New function.
        (old_insns_match_p): Don't cross-jump in between /f
        and non-/f instructions.  If both i1 and i2 are frame related,
        verify all CFA notes, their order and content.

        * g++.dg/opt/pr80102.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr80102.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgcleanup.c
    trunk/gcc/reg-notes.def
    trunk/gcc/testsuite/ChangeLog

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