Global tables create conflict with subtables

[sparrc]

I'm getting an error parsing the [tags] sections in valid toml that looks like this:

# Global tags
[tags]
  shipment = "2a"

# Create list of tables with subtables

[[fruits.apple]]
  type = "red delicious"
  [fruits.apple.tags]
    PLU = 4555

[[fruits.apple]]
  type = "granny smith"
  [fruits.apple.tags]
    PLU = 4556

If I remove the global [tags] heading, or if I only set [fruits.apple.tags] once, the parsing works.

Below are some scripts for reproducing:

package main

import (
    "fmt"

    "github.com/naoina/toml"
)

// Global tags cause failure
const fruits = `
# Global tags
[tags]
  shipment = "2a"

# Create list of tables with subtables

[[fruits.apple]]
  type = "red delicious"
  [fruits.apple.tags]
    PLU = 4555

[[fruits.apple]]
  type = "granny smith"
  [fruits.apple.tags]
    PLU = 4556
`

func main() {
    _, err := toml.Parse([]byte(fruits))
    if err != nil {
        fmt.Println(err.Error())
        return
    }
}

it outputs:

% go run /tmp/config.go
toml: line 15: table `fruits.apple.tags' is in conflict with normal table in line 10

but if I take out the global [tags] table, it works:

package main

import (
    "fmt"

    "github.com/naoina/toml"
)

// This one works!
const fruits = `
# Create list of tables with subtables

[[fruits.apple]]
  type = "red delicious"
  [fruits.apple.tags]
    PLU = 4555

[[fruits.apple]]
  type = "granny smith"
  [fruits.apple.tags]
    PLU = 4556
`

func main() {
    _, err := toml.Parse([]byte(fruits))
    if err != nil {
        fmt.Println(err.Error())
        return
    }
}

or if I remove one of the [fruits.apple.tags] sections, it also parses OK:

package main

import (
    "fmt"

    "github.com/naoina/toml"
)

// This one works!
const fruits = `
# Create list of tables with subtables

[[fruits.apple]]
  type = "red delicious"

[[fruits.apple]]
  type = "granny smith"
  [fruits.apple.tags]
    PLU = 4556
`

func main() {
    _, err := toml.Parse([]byte(fruits))
    if err != nil {
        fmt.Println(err.Error())
        return
    }
}

[maxsz]

I'm having the same problem with the following (valid) TOML:

[message_queue]
client_name = "HVAC"

[[devices]]
address = 88 # 0x58
channel = 0
	[devices.message_queue]
	subscribe = "..."
	[devices.calibration_data]
	register_size = 1024

toml: line 22: table devices.message_queue' is in conflict with normal table in line 11`

@naoina any thoughts about this?