On Thu, Dec 8, 2016 at 5:38 PM, Nathan Sidwell <nat...@acm.org> wrote: > This patch fixes 78550, where we ICE in varasm as we discover a > code-generating NOP_EXPR of an INTEGER_CST. output_constructor (varasm.c) > has a STRIP_NOPs, but that leaves the NOP alone, as it is truncating a > regular QI mode operand to a 1 bit type. > > That tree is generated in convert.c: > /* If TYPE is an enumeral type or a type with a precision less > than the number of bits in its mode, do the conversion to the > type corresponding to its mode, then do a nop conversion > to TYPE. */ > .... > return fold_build1_loc (dofold, loc, NOP_EXPR, type, ...); > } > Fixed by changing it to maybe_fold_build1_loc. Surrounding code uses that > function. > > ok?
Ok. Thanks, Richard. > nathan > -- > Nathan Sidwell
