ruby 2.0 build fail

gistfile1.txt

compiling pack.c
compiling parse.c
gcc: Internal error: Killed (program cc1)
Please submit a full bug report.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
make: *** [parse.o] Error 1
        CC = gcc
        LD = ld
        LDSHARED = gcc -shared
        CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -ansi -std=iso9899:199409
        XCFLAGS = -include ruby/config.h -include ruby/missing.h -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -DRUBY_EXPORT -fPIE
        CPPFLAGS =   -I. -I.ext/include/x86_64-linux -I./include -I.
        DLDFLAGS = -fstack-protector -pie
        SOLIBS =
compiling parse.c
gcc: Internal error: Killed (program cc1)
Please submit a full bug report.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
make: *** [parse.o] Error 1