ps2pdf gives an error "/undefinedresult in --show--" when converting some postscript files to pdf

Issue

• ps2pdf gives an error when converting a postscript file to pdf:

Error: /undefinedresult in --show--
Operand stack:
   (1)
Execution stack:

  %interp_exit   .runexec2   --nostringval--   --nostringval--  
--nostringval--   2   %stopped_push   --nostringval--   --nostringval--
  --nostringval--   false   1   %stopped_push   1846   1   3  
%oparray_pop   1845   1   3   %oparray_pop   --nostringval--   1829   1
  3   %oparray_pop   1723   1   3   %oparray_pop   --nostringval--  
%errorexec_pop   .runexec2   --nostringval--   --nostringval--  
--nostringval--   2   %stopped_push   --nostringval--
Dictionary stack:
   --dict:1148/1684(ro)(G)--   --dict:0/20(G)--   --dict:77/200(L)--
Current allocation mode is local
Current file position is 2963974
GPL Ghostscript 8.70: Unrecoverable error, exit code 1

• The error is also seen when the postscript file is simply viewed
• The same file did not give any errors on conversion or viewing in RHEL-4