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More invalidation fixes #35928

Merged
merged 8 commits into from
May 26, 2020
Merged

More invalidation fixes #35928

merged 8 commits into from
May 26, 2020

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timholy
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@timholy timholy commented May 18, 2020

These fix a fair number of the Base invalidations in #35922. If all these seem fine it could be merged, but many do arise from partial inference, and if we implement some of the suggestions in that issue then the changes to the following may not be so urgent:

  • convert(::Type{T}, x::AbstractDict) where T<:AbstractDict
  • cmp(a::AbstractString, b::AbstractString)

I doubt either of these would cause trouble, but I'm happy to drop those if Jeff or others think they are fixable by other means. To me, the rest seem like stuff we probably want.

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timholy commented May 18, 2020

If folks want to keep these commits separate for easier reversion in case of trouble I can rebase, or feel free to squash.

@@ -29,7 +29,7 @@ Base.print(io::IO, x::Enum) = print(io, Symbol(x))

function Base.show(io::IO, x::Enum)
sym = Symbol(x)
if !get(io, :compact, false)
if !(get(io, :compact, false)::Bool)
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Fortunately :: already binds tighter than !, but I can see how that might not be obvious to code readers.

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i can change it, but I felt that obviousness was worth a few extra characters.

@timholy timholy force-pushed the teh/ioctx_invalidations branch from 770c306 to a7b178f Compare May 18, 2020 19:59
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timholy commented May 19, 2020

Seeing if I can trigger tests.

@timholy timholy closed this May 19, 2020
@timholy timholy reopened this May 19, 2020
timholy added 8 commits May 23, 2020 09:00
All of these "fields" are documented to be Bool, so this should not
break any code and may improve error messages in case of user error.

Usages like `if limit...`, `limit ? a : b`, or `limit && return nothing`
do not need these fixes, since these are baked into the language
rather than being handled by dispatch.
This prevents invalidation via `convert(::Type{Ptr{Cint}}, fd)`.
If you know you're building args of any Expr, you might as well start out
collecting the arguments to a Vector{Any}, rather than using the clever
type-narrowing machinery of collect/map/broadcast.
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timholy commented May 23, 2020

Barring objections, I'll merge this sometime early in the work week.

@timholy timholy merged commit 479097c into master May 26, 2020
@timholy timholy deleted the teh/ioctx_invalidations branch May 26, 2020 09:11
timholy added a commit that referenced this pull request Jun 26, 2020
Failed to import Base.show in #35928
@timholy timholy added the compiler:latency Compiler latency label Jun 27, 2020
timholy added a commit that referenced this pull request Jun 30, 2020
Failed to import Base.show in #35928
jmert added a commit to jmert/BitFlags.jl that referenced this pull request Sep 10, 2020
Duplicates the improvement made to Base's Enums: JuliaLang/julia#35928
jmert added a commit to jmert/BitFlags.jl that referenced this pull request Sep 10, 2020
Duplicates improvement made to Base's Enums: JuliaLang/julia#35928
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3 participants