Merge pull request #1991 from visualfc/overload_options

cl: fix compileCallArgs recover error for overloads

cl/compile_gop_test.go

@@ -1570,3 +1570,30 @@ func main() {
 }
 `)
 }
+
+func TestOverlodOptions(t *testing.T) {
+	gopMixedClTest(t, "main", `
+package main
+
+type PlayOptions struct {
+	Action int
+	Wait   bool
+	Loop   bool
+}
+type Game struct {
+}
+func (g *Game) Play__0(options *PlayOptions) {
+}
+func (g *Game) Play__1(name string, options *PlayOptions) {
+}
+`, `
+g := &Game{}
+g.play "work", { Action: 0, Loop: true }
+`, `package main
+
+func main() {
+	g := &Game{}
+	g.Play__1("work", &PlayOptions{Action: 0, Loop: true})
+}
+`)
+}

cl/expr.go

@@ -753,6 +753,12 @@ func fnCall(ctx *blockCtx, v *ast.CallExpr, flags gogen.InstrFlags, extra int) e
 }
 
 func compileCallArgs(ctx *blockCtx, pfn *gogen.Element, fn *fnType, v *ast.CallExpr, ellipsis bool, flags gogen.InstrFlags) (err error) {
+	defer func() {
+		r := recover()
+		if r != nil {
+			err = ctx.recoverErr(r, v)
+		}
+	}()
 	var needInferFunc bool
 	for i, arg := range v.Args {
 		switch expr := arg.(type) {