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Help: ICE in variable_post_merge_new_vals()


Hi Guys,

  The RX port is not currently building in the mainline sources because
  of the following ICE:

  libgcc/unwind-dw2-fde.c: In function 'add_fdes':
  libgcc/unwind-dw2-fde.c:721:1: internal compiler error: in variable_post_merge_new_vals, at var-tracking.c:4303
 }
 ^
  0x86f0bed variable_post_merge_new_vals
        /work/sources/gcc/current/gcc/var-tracking.c:4301
  0x885c774 htab_traverse_noresize
        /work/sources/gcc/current/libiberty/hashtab.c:784
  0x86f4a1c dataflow_post_merge_adjust
        /work/sources/gcc/current/gcc/var-tracking.c:4413
  0x86f4a1c vt_find_locations
        /work/sources/gcc/current/gcc/var-tracking.c:6821
  0x86fd34a variable_tracking_main_1
        /work/sources/gcc/current/gcc/var-tracking.c:10034
  0x86fd34a variable_tracking_main()
        /work/sources/gcc/current/gcc/var-tracking.c:10080

  I am not familiar with this code, so I would be very grateful if
  someone could explain what this error really means and maybe point me
  towards a solution.

Cheers
  Nick
  


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