newlib install problem for sparclite-elf

[Abhijit Ray]

while compiling newlib for sparclite-elf i get the following errors 
wonder whats wrong ?
/src/newlib/newlib-1.10.0/newlib/libc/stdlib/envlock.c: In function `__env_lock':
/src/newlib/newlib-1.10.0/newlib/libc/stdlib/envlock.c:45: Internal compiler error in leaf_renumber_regs_insn, at final.c:4213
Please submit a full bug report,
with preprocessed source if appropriate.


Thanks 
Abhijit 

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