Merge pull request #37 from gostaticanalysis/fix-Used-UnOp

Fix UnOp

Author: tenntenn

ssa.go

@@ -109,6 +109,12 @@ func usedInInstr(v ssa.Value, instr ssa.Instruction) ssa.Instruction {
 			}
 		}
 	}
+
+	switch v := v.(type) {
+	case *ssa.UnOp:
+		return usedInInstr(v.X, instr)
+	}
+
 	return nil
 }
 

testdata/src/used/used.go

@@ -46,3 +46,9 @@ func f8(v interface{}) { // want "used"
 		println(v)
 	}()
 }
+
+func f9(v interface{}) { // want "used"
+	func(v interface{}) { // want "used"
+		println(v)
+	}(v)
+}