[Bug tree-optimization/71230] [7 Regression] ICE : in zero_one_operation, at tree-ssa-reassoc.c:1230

[kugan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71230

--- Comment #15 from kugan at gcc dot gnu.org ---

> internal compiler error: Segmentation fault
> 0x1090f973 crash_signal
> 	/home/seurer/gcc/gcc-test/gcc/toplev.c:333
> 0x10b12ca0 sort_by_operand_rank
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:530
> 0x10b21863 vec<operand_entry*, va_heap, vl_embed>::qsort(int (*)(void
> const*, void const*))
> 	/home/seurer/gcc/gcc-test/gcc/vec.h:951
> 0x10b21863 vec<operand_entry*, va_heap, vl_ptr>::qsort(int (*)(void const*,
> void const*))
> 	/home/seurer/gcc/gcc-test/gcc/vec.h:1698
> 0x10b21863 reassociate_bb
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5268
> 0x10b21037 reassociate_bb
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5389
> 0x10b21037 reassociate_bb
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5389
> 0x10b23eff do_reassoc
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5503
> 0x10b23eff execute_reassoc
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5590
> 0x10b23eff execute
> 	/home/seurer/gcc/gcc-test/gcc/tree-ssa-reassoc.c:5629
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <http://gcc.gnu.org/bugs.html> for instructions.
This looks like what is fixed in r236673. Can you please give it a try with
this commit.

Thanks,
Kugan