patch 8.0.0786: build failures on Travis commit https://github.com/vim/vim/commit/8bcc99b821706fe4a0a4b8e1b588d453bbf0dfbd Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 28 13:45:16 2017 +0200 patch 8.0.0786: build failures on Travis Problem: Build failures on Travis. Solution: Go back to precise termporarily. Disable coverage with clang.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")