[Bug libstdc++/64535] Emergency buffer for exception allocation too small

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64535

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 22 09:21:48 2015
New Revision: 219988

URL: https://gcc.gnu.org/viewcvs?rev=219988&root=gcc&view=rev
Log:
2015-01-22  Richard Biener  <rguenther@suse.de>

    PR libstdc++/64535
    * libsupc++/eh_alloc.cc: Include new.
    (bitmask_type): Remove.
    (one_buffer): Likewise.
    (emergency_buffer): Likewise.
    (emergency_used): Likewise.
    (dependents_buffer): Likewise.
    (dependents_used): Likewise.
    (class pool): New custom fixed-size arena, variable size object
    allocator.
    (emergency_pool): New global.
    (__cxxabiv1::__cxa_allocate_exception): Use new emergency_pool.
    (__cxxabiv1::__cxa_free_exception): Likewise.
    (__cxxabiv1::__cxa_allocate_dependent_exception): Likewise.
    (__cxxabiv1::__cxa_free_dependent_exception): Likewise.

    * g++.old-deja/g++.eh/badalloc1.C: Adjust.

Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.old-deja/g++.eh/badalloc1.C
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/libsupc++/eh_alloc.cc