re PR c++/38577 (ICE: tree check: expected call_expr, have compound_expr in build_new_method_call, at cp/call.c:6000)

	PR c++/38577
	* call.c (build_new_method_call): Handle call being COMPOUND_EXPR
	or NOP_EXPR.

	* g++.dg/template/call6.C: New test.

From-SVN: r142842