[Bug libstdc++/70794] vector.push_back() crashes with std::bad_alloc after 2^32 calls

[numien at deathwyrm dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70794

--- Comment #4 from numien at deathwyrm dot com ---
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/5.3.1/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap
--enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared
--enable-threads=posix --enable-checking=release --enable-multilib
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array
--disable-libgcj --with-isl --enable-libmpx --enable-gnu-indirect-function
--with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 5.3.1 20151207 (Red Hat 5.3.1-2) (GCC) 

$ ulimit -m
unlimited

$ ulimit -v
unlimited

$ g++ -m64 -O2 -save-temps -o test test.cpp
(no output)

$ ./test 
Reported max: 18446744073709551615
4294932terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
4294967297
Aborted (core dumped)



Preprocessed source attached... just in case my headers are different from the
standard somehow. It's certainly possible that the problem is local to my
system, though I'm not sure why it would be, it's a pretty average setup.