- fine-tuning of one-line func heuristic (nodes.go)

- enabled for function declarations (not just function literals)
- applied gofmt -w $GOROOT/src
(look for instance at src/pkg/debug/elf/elf.go)

R=r, rsc
CC=go-dev
http://go/go-review/1026006

src/cmd/cgo/gcc.go

@@ -580,9 +580,7 @@ func (c *typeConv) FuncType(dtype *dwarf.FuncType) *FuncType {
 }
 
 // Identifier
-func (c *typeConv) Ident(s string) *ast.Ident {
-	return &ast.Ident{Value: s};
-}
+func (c *typeConv) Ident(s string) *ast.Ident	{ return &ast.Ident{Value: s} }
 
 // Opaque type of n bytes.
 func (c *typeConv) Opaque(n int64) ast.Expr {