rtlil: fix roundtrip test with --no-private-id-locs

Author: widlarizer

tests/rtlil/roundtrip-text.sh

@@ -33,7 +33,7 @@ diff temp/roundtrip-text.dump.il temp/roundtrip-text.reload-hash-nogen.il
 
 echo "Without ABC, we don't get any irreproducibility and can pin that"
 echo "Has this test case started failing for you? Consider updating the reference"
-$YS -p "read_verilog -sv everything.v; synth -relativeshare -noabc; write_rtlil temp/roundtrip-text.synth.il"
+$YS --no-private-id-locs -p "read_verilog -sv everything.v; synth -relativeshare -noabc; write_rtlil temp/roundtrip-text.synth.il"
 remove_empty_lines temp/roundtrip-text.synth.il
 tail -n +2 temp/roundtrip-text.synth.il > temp/roundtrip-text.synth-nogen.il
 diff temp/roundtrip-text.synth-nogen.il roundtrip-text.synth.ref.il