remove temporary file after test run
CommClause.Comm is nil in default case
CommClasue.Comm can be nil in the default case
when instrumenting *ast.File, header comments should be included
s/go test pkgname -c/go test -c pkgname/, params after pkgname are passed to test
(cd $GOROOT/src/pkg/a;gosloppy test) <=> gosloppy test a
bug: range statement used wrong scope
fix wrong scope of if statement
do not miss whitespace at the end of the file
more tests for unused.go
disregard label in key-value pair, eg struct {A int} {A: 1}
another test for struct field names
bug: severe bug in unused detection, did't descend to some constructs
bug: scan type in `var v T` declaration
bug: range expression should be scanned