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cmd/compile: ICE on invalid conversion of untyped expression #33308

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mdempsky opened this issue Jul 26, 2019 · 0 comments

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@mdempsky
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commented Jul 26, 2019

cmd/compile panics with an ICE on this (invalid) input:

package p

var v uint
var x = []byte((1 << v) + 1)

For comparison, go/types emits cannot convert (1 << v) + 1 (untyped int value) to []byte, while gccgo emits invalid context-determined non-integer type for left operand of shift.

Self-assigning for now since I'm working on CL 187657, which doesn't currently fix this, but I expect can easily be made to.

@mdempsky mdempsky added the NeedsFix label Jul 26, 2019

@mdempsky mdempsky added this to the Unplanned milestone Jul 26, 2019

@mdempsky mdempsky self-assigned this Jul 26, 2019

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