<p>While debugging some other issue, I noticed that particularly large object ids trigger a segfault in <code>node_ram_cache::set_dense(long, osmium::Location const&)</code> at node-ram-cache.cpp:141 (tested on <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/openstreetmap/osm2pgsql/commit/8d9087f1111f4a062158e8e6b10bfbceed90899b/hovercard" href="https://github.com/openstreetmap/osm2pgsql/commit/8d9087f1111f4a062158e8e6b10bfbceed90899b"><tt>8d9087f</tt></a> ). I'd rather expect an error message here stating that the object id is too large.</p>
<p>This is not really urgent in any way, as it might only affect people mixing OSM with some other data. I thought I'd raise it anyway, as segfaults are generally not so nice.</p>
<p>Test example: (<code>osm2pgsql -d osm  tesfile.osm</code>).</p>
<pre><code><?xml version='1.0' encoding='UTF-8'?>
<osm version='0.6' generator='JOSM'>
  <node id='540000000001' timestamp='2015-01-01T00:00:00Z' uid='1' user='3' version='1' changeset='10' lat='50' lon='7'/>
</osm>
</code></pre>

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