gdb

gdb
	* completer.c (complete_line): Don't special-case
	expression_completer.
	(expression_completer): Only pass last word to
	location_completer.
	* c-exp.y (yylex): Check 'token', not 'operator'.
gdb/testsuite
	* gdb.base/completion.exp: New tests for field name completion
	with spaces, and field name completion with '->'.