func testStringLiteral() -> String { return "abc".foo() } extension String { func foo() -> String { return self } } // RUN: rm -rf %t.result && mkdir -p %t.result // RUN: %refactor -localize-string -source-filename %s -pos=2:10 > %t.result/L2.swift // RUN: diff -u %S/Outputs/callexpr/L2.swift.expected %t.result/L2.swift