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

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

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

--- Comment #15 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I think we need to get a suppression into valgrind:

==21268== Memcheck, a memory error detector
==21268== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==21268== Using Valgrind-3.9.0 and LibVEX; rerun with -h for copyright info
==21268== Command: ./a.out
==21268== 
==21268== 
==21268== HEAP SUMMARY:
==21268==     in use at exit: 72,704 bytes in 1 blocks
==21268==   total heap usage: 5,747 allocs, 5,746 frees, 822,784 bytes
allocated
==21268== 
==21268== 72,704 bytes in 1 blocks are still reachable in loss record 1 of 1
==21268==    at 0x4A0645D: malloc (vg_replace_malloc.c:291)
==21268==    by 0x4C990FF: _GLOBAL__sub_I_eh_alloc.cc (eh_alloc.cc:117)
==21268==    by 0x394940F2D9: call_init.part.0 (dl-init.c:82)
==21268==    by 0x394940F3C2: _dl_init (dl-init.c:34)
==21268==    by 0x3949401229: ??? (in /usr/lib64/ld-2.18.so)
==21268== 
==21268== LEAK SUMMARY:
==21268==    definitely lost: 0 bytes in 0 blocks
==21268==    indirectly lost: 0 bytes in 0 blocks
==21268==      possibly lost: 0 bytes in 0 blocks
==21268==    still reachable: 72,704 bytes in 1 blocks
==21268==         suppressed: 0 bytes in 0 blocks
==21268== 
==21268== For counts of detected and suppressed errors, rerun with: -v
==21268== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 2)