[erlang-bugs] R12 - Internal consistency check failed

Anders Nygren <>
Thu Nov 15 17:44:51 CET 2007

Using the R12 snapshot from 15-Nov-2007 12:53 I get the following error

/usr/local/src/otp/otp_src_R12B-0/bin/erlc -smp wfbm4_ets.erl
wfbm4_ets: function find/6+75:
  Internal consistency check failed - please report this bug.
  Instruction: {test,bs_start_match2,{f,45},[{y,7},3,0,{x,1}]}
  Error:       {match_context,{y,7}}:

make: *** [wfbm4_ets.beam] Error 1

when I compile the attached wfbm4_ets.erl

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