Alpine Linux, jemalloc, Ruby 2.4.1 segmentation fault

Dockerfile

FROM alpine:3.4

# skip installing gem documentation
RUN mkdir -p /usr/local/etc \
  && { \
    echo 'install: --no-document'; \
    echo 'update: --no-document'; \
  } >> /usr/local/etc/gemrc

ENV RUBY_MAJOR 2.4
ENV RUBY_VERSION 2.4.1
ENV RUBY_DOWNLOAD_SHA256 4fc8a9992de3e90191de369270ea4b6c1b171b7941743614cc50822ddc1fe654
ENV RUBYGEMS_VERSION 2.6.12

# some of ruby's build scripts are written in ruby
#   we purge system ruby later to make sure our final image uses what we just built
# readline-dev vs libedit-dev: https://bugs.ruby-lang.org/issues/11869 and https://github.com/docker-library/ruby/issues/75
RUN apk update apk add jemalloc jemalloc-dev
RUN set -ex \
  \
  && apk add --no-cache --virtual .ruby-builddeps \
    autoconf \
    bison \
    bzip2 \
    bzip2-dev \
    ca-certificates \
    coreutils \
    gcc \
    gdbm-dev \
    glib-dev \
    libc-dev \
    libffi-dev \
    libxml2-dev \
    libxslt-dev \
    linux-headers \
    make \
    ncurses-dev \
    openssl \
    openssl-dev \
    procps \
    readline-dev \
    ruby \
    tar \
    yaml-dev \
    zlib-dev \
    xz \
    jemalloc-dev \
  \
  && wget -O ruby.tar.xz "https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz" \
  && echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum -c - \
  \
  && mkdir -p /usr/src/ruby \
  && tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1 \
  && rm ruby.tar.xz \
  \
  && cd /usr/src/ruby \
  \
# hack in "ENABLE_PATH_CHECK" disabling to suppress:
#   warning: Insecure world writable dir
  && { \
    echo '#define ENABLE_PATH_CHECK 0'; \
    echo; \
    cat file.c; \
  } > file.c.new \
  && mv file.c.new file.c \
  \
  && autoconf \
# the configure script does not detect isnan/isinf as macros
  && ac_cv_func_isnan=yes ac_cv_func_isinf=yes \
    ./configure --disable-install-doc --enable-shared --with-jemalloc \
  && make -j"$(getconf _NPROCESSORS_ONLN)" \
  && make install \
  \
  && runDeps="$( \
    scanelf --needed --nobanner --recursive /usr/local \
      | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
      | sort -u \
      | xargs -r apk info --installed \
      | sort -u \
  )" \
  && apk add --virtual .ruby-rundeps $runDeps \
    bzip2 \
    ca-certificates \
    libffi-dev \
    openssl-dev \
    yaml-dev \
    procps \
    zlib-dev \
  && apk del .ruby-builddeps \
  && cd / \
  && rm -r /usr/src/ruby \
  \
  && gem update --system "$RUBYGEMS_VERSION"

ENV BUNDLER_VERSION 1.14.6

RUN gem install bundler --version "$BUNDLER_VERSION"

# install things globally, for great justice
# and don't create ".bundle" in all our apps
ENV GEM_HOME /usr/local/bundle
ENV BUNDLE_PATH="$GEM_HOME" \
  BUNDLE_BIN="$GEM_HOME/bin" \
  BUNDLE_SILENCE_ROOT_WARNING=1 \
  BUNDLE_APP_CONFIG="$GEM_HOME"
ENV PATH $BUNDLE_BIN:$PATH
RUN mkdir -p "$GEM_HOME" "$BUNDLE_BIN" \
  && chmod 777 "$GEM_HOME" "$BUNDLE_BIN"

CMD [ "irb" ]