Description of problem:
the build log says:
*** WARNING *** there are active plugins, do not report this as a bug unless you can reproduce it without enabling any plugins.
Event                            | Plugins
PLUGIN_FINISH_UNIT               | annobin: Generate final annotations
PLUGIN_START_UNIT                | annobin: Generate global annotations
PLUGIN_ALL_PASSES_END            | annobin: Generate per-function annotations
In file included from NKF.xs:99:0:
../nkf.c: In function 'e2s_conv':
../nkf.c:1623:1: internal compiler error: in ix86_expand_prologue, at config/i386/i386.c:14572
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
{standard input}: Assembler messages:
{standard input}: Error: .size expression for NKF.c does not evaluate to a constant
Preprocessed source stored into /tmp/ccoggMcn.out file, please attach this to your bugreport.

Additional info:
See https://kojipkgs.fedoraproject.org//work/tasks/2212/24532212/build.log