Invalid bit width in input

[maleadt]

Reported by @michel2323:

InvalidBitWidth: Invalid bit width in input: 2                                                                                                                                                                                                                                          dspcg: Error During Test at /home/mschanen/git/ExaTronKernels.jl/test/oneAPI.jl:938                                                                                                                                                                                                       Got exception outside of a @test                                                                                                                                                                                                                                                        Failed to translate LLVM code to SPIR-V.                                                                                                                                                                                                                                                If you think this is a bug, please file an issue and attach /tmp/jl_dLIFvn.bc.                                                                                                                                                                                                          Stacktrace:                                                                                                                                                                                                                                                                               [1] error(s::String)

jl_QOvqhg.bc.zip

[maleadt]

Reduced to:

source_filename = "text"
target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
target triple = "spir64-unknown-unknown"

define spir_kernel void @kernel() local_unnamed_addr {
top:
  %trunc = trunc i8 1 to i2
  ret void
}