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isassigned for ranges with BigInt indices #50587

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merged 2 commits into from
Jul 18, 2023
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@jishnub jishnub commented Jul 18, 2023

This fixes certain possible regressions in isassigned for ranges to restore the 1.9-like behavior.
On v1.9

julia> r = 1:big(2)^65
1:36893488147419103232

julia> isassigned(r, lastindex(r))
true

julia> isassigned(r, true)
ERROR: ArgumentError: invalid index: true of type Bool

On v1.10.0-alpha1

julia> isassigned(r, lastindex(r))
ERROR: InexactError: Int64(36893488147419103232)

julia> isassigned(r, true) # Bool is converted to Int
true

julia> r[true] # but indexing with Bool doesn't work
ERROR: ArgumentError: invalid index: true of type Bool

This PR

julia> isassigned(r, lastindex(r))
true

julia> isassigned(r, true)
ERROR: ArgumentError: invalid index: true of type Bool

This still leaves

julia> isassigned(collect(1:3), true)
true

so that should perhaps be changed as well.

@vtjnash vtjnash merged commit d270a71 into master Jul 18, 2023
@vtjnash vtjnash deleted the jishnub/rangeisassigned branch July 18, 2023 19:54
@vtjnash vtjnash added the backport 1.10 Change should be backported to the 1.10 release label Jul 18, 2023
KristofferC pushed a commit that referenced this pull request Jul 24, 2023
This fixes certain possible regressions in `isassigned` for ranges to
restore the 1.9-like behavior.
On v1.9
```julia
julia> r = 1:big(2)^65
1:36893488147419103232

julia> isassigned(r, lastindex(r))
true

julia> isassigned(r, true)
ERROR: ArgumentError: invalid index: true of type Bool
```
On v1.10.0-alpha1
```julia
julia> isassigned(r, lastindex(r))
ERROR: InexactError: Int64(36893488147419103232)

julia> isassigned(r, true) # Bool is converted to Int
true

julia> r[true] # but indexing with Bool doesn't work
ERROR: ArgumentError: invalid index: true of type Bool
```
This PR
```julia
julia> isassigned(r, lastindex(r))
true

julia> isassigned(r, true)
ERROR: ArgumentError: invalid index: true of type Bool
```
This still leaves
```julia
julia> isassigned(collect(1:3), true)
true
```
so that should perhaps be changed as well.

(cherry picked from commit d270a71)
KristofferC added a commit that referenced this pull request Jul 24, 2023
Backported PRs:
- [x] #50411 <!-- Fix weird dispatch of * with zero arguments -->
- [x] #50202 <!-- Remove dynamic dispatch from _wait/wait2 -->
- [x] #50064 <!-- Fix numbered prompt with input only with comment -->
- [x] #50026 <!-- Store heapsnapshot files in tempdir() instead of
current directory -->
- [x] #50402 <!-- Add CPU feature helper function -->
- [x] #50387 <!-- update newpages pointer after actually sweeping pages
-->
- [x] #50424 <!-- avoid potential type-instability in _replace_(str,
...) -->
- [x] #50444 <!-- Optimize getfield lowering to avoid boxing in some
cases -->
- [x] #50474 <!-- docs: Fix a `!!! note` which was miscapitalized -->
- [x] #50466 <!-- relax assertion involving pg->nold to reflect that it
may be a bit in… -->
- [x] #50490 <!-- Fix compat annotation for italic printstyled -->
- [x] #50488 <!-- fix typo in `Base.isassigned` with `Tridiagonal` -->
- [x] #50476 <!-- Profile: Add specifying dir for `take_heap_snapshot`
and handling if current dir is unwritable -->
- [x] #50461 <!-- fix typo in the --gcthreads argument description -->
- [x] #50528 <!-- ssair: Correctly handle stmt insertion at end of basic
block -->
- [x] #50533 <!-- ensure internal_obj_base_ptr checks whether objects
past freelist pointer are in freelist -->
- [x] #49322 <!-- improve cat design / performance -->
- [x] #50540 <!-- gc: remove over-eager assertion -->
- [x] #50542 <!-- gf: remove unnecessary assert cycle==depth -->
- [x] #50559 <!-- Expand kwcall lowering positional default check to
vararg -->
- [x] #50058 <!-- Add unwrapping mechanism for triangular mul and solves
-->
- [x] #50551 <!-- typeintersect: also record chained `innervars` -->
- [x] #50552 <!-- read(io, Char): fix read with too many leading ones
-->
- [x] #50541 <!-- precompile: ensure globals are not accidentally
created where disallowed -->
- [x] #50576 <!-- use atomic compare exchange when setting the GC
mark-bit -->
- [x] #50578 <!-- gf: make method overwrite/delete an error during
precompile -->
- [x] #50516 <!-- Fix visibility of assert on GCC12/13 -->
- [x] #50597 <!-- Fix memory corruption if task is launched inside
finalizer -->
- [x] #50591 <!-- build: fix various makefile bugs -->
- [x] #50599 <!-- faster invalid object lookup in conservative gc -->
- [x] #50634 <!-- 🤖 [master] Bump the SparseArrays stdlib from b4b0e72
to 99c99b4 -->
- [x] #50639 <!-- Backport LLVM patches to fix various issues. -->
- [x] #50546 <!-- Revert storage of method instance in LineInfoNode -->
- [x] #50631 <!-- Shift DCE pass to optimize imaging mode code better
-->
- [x] #50525 <!-- only check that values are finite in `generic_lufact`
when `check=true` -->
- [x] #50587 <!-- isassigned for ranges with BigInt indices -->
- [x] #50144 <!-- Page based heap size heuristics -->


Need manual backport:
- [ ] #50595 <!-- Rename ENV variable `JULIA_USE_NEW_PARSER` ->
`JULIA_USE_FLISP_PARSER` -->



Non-merged PRs with backport label:
- [ ] #50637 <!-- Remove SparseArrays legacy code -->
- [ ] #50618 <!-- inference: continue const-prop' when concrete-eval
returns non-inlineable -->
- [ ] #50598 <!-- only limit types in stack traces in the REPL -->
- [ ] #50594 <!-- Disallow non-index Integer types in isassigned -->
- [ ] #50568 <!-- `Array(::AbstractRange)` should return an `Array` -->
- [ ] #50523 <!-- Avoid generic call in most cases for getproperty -->
- [ ] #50172 <!-- print feature flags used for matching pkgimage -->
@KristofferC KristofferC removed the backport 1.10 Change should be backported to the 1.10 release label Jul 24, 2023
@brenhinkeller brenhinkeller added the bignums BigInt and BigFloat label Aug 8, 2023
jishnub added a commit that referenced this pull request Aug 10, 2023
Extend #50587 to more general `AbstractArray`s. This is mainly to
disallow `Bool` as an index in `isassigned`, as this isn't supported by
`getindex`. After this
```julia
julia> isassigned(rand(2,2), 1, true)
ERROR: ArgumentError: invalid index: true of type Bool
```
which matches the behavior on v1.9.
IanButterworth pushed a commit that referenced this pull request Aug 19, 2023
Extend #50587 to more general `AbstractArray`s. This is mainly to
disallow `Bool` as an index in `isassigned`, as this isn't supported by
`getindex`. After this
```julia
julia> isassigned(rand(2,2), 1, true)
ERROR: ArgumentError: invalid index: true of type Bool
```
which matches the behavior on v1.9.

(cherry picked from commit b991397)
nalimilan pushed a commit that referenced this pull request Nov 5, 2023
Extend #50587 to more general `AbstractArray`s. This is mainly to
disallow `Bool` as an index in `isassigned`, as this isn't supported by
`getindex`. After this
```julia
julia> isassigned(rand(2,2), 1, true)
ERROR: ArgumentError: invalid index: true of type Bool
```
which matches the behavior on v1.9.

(cherry picked from commit b991397)
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4 participants