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html/template: unidentified node type in allIdents (3) #11118

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html/template: unidentified node type in allIdents (3)#11118
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FrozenDueToAge
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Go1.5

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@dvyukov
dvyukov
opened on Jun 8, 2015

The following program crashes with the panic:

package main

import (
    "html/template"
    "io/ioutil"
)

func main() {
    t, err := template.New("foo").Parse("{{0|$}}")
    if err != nil {
        return
    }
    t.Execute(ioutil.Discard, nil)
}
panic: unidentified node type in allIdents

goroutine 1 [running]:
html/template.allIdents(0x7f4ee098c260, 0xc208016870, 0x0, 0x0, 0x0)
    src/html/template/escape.go:218 +0x24e
html/template.ensurePipelineContains(0xc208014230, 0xc208016b10, 0x1, 0x3)
    src/html/template/escape.go:244 +0x1cd
html/template.(*escaper).commit(0xc20807bcc8)
    src/html/template/escape.go:751 +0x3ab
html/template.escapeTemplate(0xc208016780, 0x7f4ee098c2f0, 0xc2080167e0, 0x5c2c30, 0x3, 0x0, 0x0)
    src/html/template/escape.go:39 +0x47b
html/template.(*Template).escape(0xc208016780, 0x0, 0x0)
    src/html/template/template.go:85 +0x37f
html/template.(*Template).Execute(0xc208016780, 0x7f4ee098c1f0, 0xc20800a4b0, 0x0, 0x0, 0x0, 0x0)
    src/html/template/template.go:101 +0x34
main.main()
    htmltemplate.go:13 +0x3b7

go version devel +b0532a9 Mon Jun 8 05:13:15 2015 +0000 linux/amd64

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