setToolFlags(allTestImports...)

		// Do initial scan for metadata needed for writing _testmain.go
		// Use that metadata to update the list of imports for package main.
		// The list of imports is used by recompileForTest and by the loop
		// afterward that gathers t.Cover information.
		t, err := loadTestFuncs(p)
		if err != nil && pmain.Error == nil {
			pmain.setLoadPackageDataError(err, p.ImportPath, &stk, nil)
		}