This issue DOES exist on the same machine using gcc v4.8.4 instead of v4.9.2.

Full output here: http://pastebin.com/gQQNAm7g

Test program used to trigger this output here: https://github.com/wbraswell/rperl/blob/master/script/development/scalar_test.pl

CentOS 6.6, using the module feature:
$ module load gcc/4.9.2
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/local/gcc-4.9.2/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /usr/local/src/gcc-4.9.2/configure --prefix=/usr/local/gcc-4.9.2 --disable-multilib --enable-languages=c,c++,fortran
Thread model: posix
gcc version 4.9.2 (GCC)

$ ./script/development/scalar_test.pl
LOTS OF OUTPUT
...
Finished Build Compile Stage

No such file or directory
Had problems bootstrapping Inline module 'eval_638_4ae4'

Can't load '/home/wbraswell/rperl-latest/_Inline/lib/auto/eval_638_4ae4/eval_638_4ae4.so' for module eval_638_4ae4: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /home/wbraswell/rperl-latest/_Inline/lib/auto/eval_638_4ae4/eval_638_4ae4.so) at /usr/lib64/perl5/DynaLoader.pm line 200.
at /usr/local/share/perl5/Inline.pm line 533.