The assert removed by this patch was there to keep users from passing masks of incompatible types. The self tests are passing host wide ints down (set_nonzero_bits (-1)), which seem to be 32 bits, whereas some embedded targets have integer_type_node's of 16-bits. This is causing problems in m32c-elf, among others.
I suppose there's no harm in passing a 32-bit mask, because set_nonzero_bits calls wide_int::from() to convert the mask to the appropriate type. So we can remove the assert. Sorry for the pain Jeff. gcc/ChangeLog: * value-range.cc (irange::set_nonzero_bits): Remove assert. --- gcc/value-range.cc | 1 - 1 file changed, 1 deletion(-) diff --git a/gcc/value-range.cc b/gcc/value-range.cc index afb26a40083..a307559b654 100644 --- a/gcc/value-range.cc +++ b/gcc/value-range.cc @@ -2913,7 +2913,6 @@ irange::set_nonzero_bits (const wide_int_ref &bits) { gcc_checking_assert (!undefined_p ()); unsigned prec = TYPE_PRECISION (type ()); - gcc_checking_assert (prec == bits.get_precision ()); // Drop VARYINGs with a nonzero mask to a plain range. if (m_kind == VR_VARYING && bits != -1) -- 2.37.1