[go-nuts] internal compiler error: name too long: *struct {

[ing . richard . dvorak]

Go 1.7.1, 1.7.5 does not compile program with a large struct defintion. 
*Version 1.6.4 and some other previous versions do compile.*
It could be a  problem of the 1.7 compiler.

The declaration of the struct type  is about 70 Kbytes (70k of characters ) 
large and it is also complex, contains only nested *struct and []struct and 
strings as fields
I have also another large struct definition which is about a half of the 
size and it does compile.
It is nto easily possible cut th

type PnrT struct {
    ActivePNRimage *struct {
        AmadeusId *struct {
            Reservation *struct {
                ControlNumber string
            }
        }
        
.. continues the defintion ( very large)


go build gives an error:

*: internal compiler error: name too long: *struct { AmadeusId *struct *
.. folows about 70kbytes of the struct definition


goroutine 1 [running]:
runtime/debug.Stack(0x0, 0x0, 0x0)
        c:/go/src/runtime/debug/stack.go:24 +0x80
cmd/compile/internal/gc.Fatalf(0x911ba1, 0x11, 0xc0452aed00, 0x1, 0x1)
        c:/go/src/cmd/compile/internal/gc/subr.go:165 +0x24f
cmd/compile/internal/gc.dnameData(0xc0431abcb0, 0x0, 0xc048106000, 0x11eaa, 
0x0, 0x0, 0x0, 0x0, 0x0)
        c:/go/src/cmd/compile/internal/gc/reflect.go:515 +0x444
cmd/compile/internal/gc.dname(0xc048106000, 0x11eaa, 0x0, 0x0, 0x0, 
0xc048106000, 0x11eaa)
        c:/go/src/cmd/compile/internal/gc/reflect.go:583 +0x1c8
cmd/compile/internal/gc.dcommontype(0xc046ae8fc0, 0x28, 0xc042dc5270, 
0x9043ff)
        c:/go/src/cmd/compile/internal/gc/reflect.go:911 +0x4cb
cmd/compile/internal/gc.dtypesym(0xc042dc5270, 0xc042dc5270)
        c:/go/src/cmd/compile/internal/gc/reflect.go:1300 +0xef1
cmd/compile/internal/gc.dtypesym(0xc042fdfe00, 0xc042f15f20)
        c:/go/src/cmd/compile/internal/gc/reflect.go:1284 +0xd3e
cmd/compile/internal/gc.dtypesym(0xc042dc51d0, 0xc043aa6460)
        c:/go/src/cmd/compile/internal/gc/reflect.go:1296 +0xe98
cmd/compile/internal/gc.dumptypestructs()
        c:/go/src/cmd/compile/internal/gc/reflect.go:1369 +0xd3
cmd/compile/internal/gc.dumpobj1(0xc0420460c0, 0x31, 0x3)
        c:/go/src/cmd/compile/internal/gc/obj.go:133 +0x566
cmd/compile/internal/gc.dumpobj()
        c:/go/src/cmd/compile/internal/gc/obj.go:45 +0x59
cmd/compile/internal/gc.Main()
        c:/go/src/cmd/compile/internal/gc/main.go:490 +0x1aa6
cmd/compile/internal/amd64.Main()
        c:/go/src/cmd/compile/internal/amd64/galign.go:93 +0x301
main.main()
        c:/go/src/cmd/compile/main.go:33 +0x2aa

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