* lib/wrapper.exp (${tool}_maybe_build_wrapper): Allow the caller

	to set options for compiling testglue.
	* lib/g++.exp (g++_init): Compile testglue with -fexceptions.
	* lib/obj-c++.exp (obj-c++_init): Likewise.

	* testsuite/lib/libstdc++.exp (libstdc++_init): Compile testglue
	with -fexceptions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@122217 138bc75d-0d04-0410-961f-82ee72b054a4