[Bug c++/67557] [4.9 Regression] Calling copy constructor of base class in constructor of derived class produces crashing code

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67557

--- Comment #18 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jan  8 16:01:12 2016
New Revision: 232167

URL: https://gcc.gnu.org/viewcvs?rev=232167&root=gcc&view=rev
Log:
        PR c++/68983 (BE)

        PR c++/67557
gcc/
        * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
        * expr.c (store_field): Not here.
        * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
        call with TREE_ADDRESSABLE type.
        * tree-cfg.c (verify_gimple_call): Adjust.
gcc/cp/
        * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
        TREE_ADDRESSABLE type.

Added:
    trunk/gcc/testsuite/g++.dg/init/base1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cvt.c
    trunk/gcc/expr.c
    trunk/gcc/function.c
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-cfgcleanup.c