class.c (check_bitfield_decl): In error message about non-integral type print the...

class.c (check_bitfield_decl): In error message about non-integral type print the type itself too.

/cp
2018-12-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* class.c (check_bitfield_decl): In error message about non-integral
	type print the type itself too.
	* decl.c (grokdeclarator): Do not ICE on unnamed bit-fields declared
	friends; when calling build_decl for a FIELD_DECL possibly pass the
	declarator->id_loc.

/testsuite
2018-12-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/parse/bitfield7.C: New.
	* g++.dg/other/bitfield2.C: Check location and type.
	* g++.dg/parse/bitfield1.C: Likewise.
	* g++.dg/parse/bitfield2.C: Likewise.

From-SVN: r266876