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Support reshaping custom 0-dimensional arrays #26870

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merged 2 commits into from
Apr 23, 2018
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@mbauman mbauman commented Apr 20, 2018

Fixes #26163.

@mbauman mbauman added domain:arrays [a, r, r, a, y, s] kind:bugfix This change fixes an existing bug labels Apr 20, 2018
@@ -1077,6 +1077,7 @@ else
# fixpoint.
function fixpoint_iter_type(itrT::Type, valT::Type, stateT::Type)
nextvalstate = Base._return_type(next, Tuple{itrT, stateT})
nextvalstate === Union{} && return Any
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Cc @Keno — I coupled this change here. The failure mode is join((), ","), which attempts to find the value type of next((), start(())) — that's an error and will always be Union{}. I'm assuming that a case like this was intended to be caught by the next line, but of course the bottom type is a subtype of everything so it flies on by and throws an error later. Would it be better to return Any or Union{} in this case?

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My stab in the dark here didn't work. I've just marked things as @test_broken and opened #26871.

@JeffBezanson JeffBezanson merged commit 43fe63c into master Apr 23, 2018
@JeffBezanson JeffBezanson deleted the mb/reshapezerodim branch April 23, 2018 18:17
mbauman added a commit that referenced this pull request Apr 23, 2018
* origin/master: (23 commits)
  fix deprecations of \cdot and \times (#26884)
  Support reshaping custom 0-dimensional arrays (#26870)
  fix some cases of dot syntax lowering (#26878)
  Pkg3: deterministically close the LibGit2 repo in tests (#26883)
  code loading docs: add missing graph edge (#26874)
  add news for #26858 and #26859 [ci skip] (#26869)
  Deprecate using && and || within at-dot expressions (#26792)
  widen `Int8` and `Int16` to `Int` instead of `Int32` (#26859)
  fix #26038, make `isequal` consistent with `hash` for `Ptr` (#26858)
  Deprecate variadic size(A, dim1, dim2, dims...) method (#26862)
  add using Random to example in manual (#26864)
  warn once instead of depwarn since we want to test it
  Revert "reserve syntax that could be used for computed field types (#18466) (#26816)" (#26857)
  Fix compilation on LLVM 6.0
  change promotion behaviour of `cumsum` and `cumsum!` to match `sum`
  [LLVM 6] add patch to diamond if-conversion
  add a precompile command that can be used to precompile all dependencies (#254)
  use registry if no version entry exist in project for developed pacakges
  make Pkg3 work as a drop in for the old CI scripts
  update registries when adding (#253)
  ...
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