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[Bug middle-end/66148] [6 regression] build/genpreds: Internal error: abort in choose_enum_order, at genpreds.c:1006


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66148

--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
Introduced in r223034:

2015-05-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * combine.c i(set_nonzero_bits_and_sign_copies): Split code updating
        rsp->sign_bit_copies and rsp->nonzero_bits into ...
        (update_rsp_from_reg_equal): This.  Also use REG_EQUAL note on src if
        present to get more accurate information about the number of sign bit
        copies and non zero bits.


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