[Bug c++/78689] [7 Regression] ICE (segfault) within cleanup_dead_labels

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78689

--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Feb  3 22:42:37 2017
New Revision: 245172

URL: https://gcc.gnu.org/viewcvs?rev=245172&root=gcc&view=rev
Log:
        PR c++/78689 - ICE on constructor with label

gcc/
        * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
        avoid copying non-taken branch.
gcc/cp/
        * optimize.c (maybe_clone_body): Replace omitted parameters with
        null lvalues.
        * class.c (build_clone): Fix logic for omitting inherited parms.

Added:
    trunk/gcc/testsuite/g++.dg/init/ctor12.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/class.c
    trunk/gcc/cp/optimize.c
    trunk/gcc/testsuite/g++.dg/cpp1z/inh-ctor23.C
    trunk/gcc/tree-inline.c