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Keno
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Feb 10, 2025
| ;; closure type definitions | ||
| ,(cadr e) | ||
| ,e | ||
| (thunk (lambda () (() () 0 ()) (block (return ,e)))))))) |
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@JeffBezanson I don't really know why this thunk was here. Tests passed without it, but if you happen to remember and I'm missing something, please chime in.
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Yeah, that's a bit weird. This is 6 years old so maybe something changed around it.
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It changes the order of evaluation of these statements, see lift-toplevel, which relies on the presence of thunk to keep the IR ssavalues and struct definitions in the correct order after it chaotically reorders when statements run to follow the toplevel semantic rules
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Fixes Revise test failures in JuliaLang/julia#57346.
Before: ``` :($(Expr(:thunk, CodeInfo( 1 ─ $(Expr(:thunk, CodeInfo( 1 ─ return $(Expr(:method, :(Main.f))) ))) │ $(Expr(:method, :(Main.f))) │ %3 = Main.f │ %4 = dynamic Core.Typeof(%3) │ %5 = builtin Core.svec(%4, Core.Any) │ %6 = builtin Core.svec() │ %7 = builtin Core.svec(%5, %6, $(QuoteNode(:(#= REPL[2]:1 =#)))) │ $(Expr(:method, :(Main.f), :(%7), CodeInfo( 1 ─ return 1 ))) │ $(Expr(:latestworld)) │ %10 = Main.f └── return %10 )))) ``` After: ``` julia> @Meta.lower f(x)=1 :($(Expr(:thunk, CodeInfo( 1 ─ $(Expr(:method, :(Main.f))) │ $(Expr(:latestworld)) │ Main.f │ $(Expr(:latestworld)) │ %5 = Main.f │ %6 = dynamic Core.Typeof(%5) │ %7 = builtin Core.svec(%6, Core.Any) │ %8 = builtin Core.svec() │ %9 = builtin Core.svec(%7, %8, $(QuoteNode(:(#= REPL[1]:1 =#)))) │ $(Expr(:method, :(Main.f), :(%9), CodeInfo( 1 ─ return 1 ))) │ $(Expr(:latestworld)) │ %12 = Main.f └── return %12 )))) ``` This doesn't really make a semantic difference, but if `f` is a type, we may now give a warning, so the prior definition would give the warning twice (#57311 (comment)). We may want to consider rate-limiting the warning independently, but for now at least give the correct number of warnings.
Keno
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Feb 12, 2025
Fixes Revise test failures in JuliaLang/julia#57346.
Keno
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Feb 12, 2025
Fixes Revise test failures in JuliaLang/julia#57346.
KristofferC
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Feb 14, 2025
Before: ``` :($(Expr(:thunk, CodeInfo( 1 ─ $(Expr(:thunk, CodeInfo( 1 ─ return $(Expr(:method, :(Main.f))) ))) │ $(Expr(:method, :(Main.f))) │ %3 = Main.f │ %4 = dynamic Core.Typeof(%3) │ %5 = builtin Core.svec(%4, Core.Any) │ %6 = builtin Core.svec() │ %7 = builtin Core.svec(%5, %6, $(QuoteNode(:(#= REPL[2]:1 =#)))) │ $(Expr(:method, :(Main.f), :(%7), CodeInfo( 1 ─ return 1 ))) │ $(Expr(:latestworld)) │ %10 = Main.f └── return %10 )))) ``` After: ``` julia> @Meta.lower f(x)=1 :($(Expr(:thunk, CodeInfo( 1 ─ $(Expr(:method, :(Main.f))) │ $(Expr(:latestworld)) │ Main.f │ $(Expr(:latestworld)) │ %5 = Main.f │ %6 = dynamic Core.Typeof(%5) │ %7 = builtin Core.svec(%6, Core.Any) │ %8 = builtin Core.svec() │ %9 = builtin Core.svec(%7, %8, $(QuoteNode(:(#= REPL[1]:1 =#)))) │ $(Expr(:method, :(Main.f), :(%9), CodeInfo( 1 ─ return 1 ))) │ $(Expr(:latestworld)) │ %12 = Main.f └── return %12 )))) ``` This doesn't really make a semantic difference, but if `f` is a type, we may now give a warning, so the prior definition would give the warning twice (#57311 (comment)). We may want to consider rate-limiting the warning independently, but for now at least give the correct number of warnings. (cherry picked from commit 512eb5e)
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Feb 17, 2025
Backported PRs: - [x] #57346 <!-- lowering: Only try to define the method once --> - [x] #57341 <!-- bpart: When backdating replace the entire bpart chain --> - [x] #57381 <!-- staticdata: Set min validation world to require world --> - [x] #57357 <!-- Only implicitly `using` Base, not Core --> - [x] #57383 <!-- staticdata: Fix typo in recursive edge revalidation --> - [x] #57385 <!-- bpart: Move kind enum into its intended place --> - [x] #57275 <!-- Compiler: fix unsoundness of getfield_tfunc on Tuple Types --> - [x] #57378 <!-- print admonition for auto-import only once per module --> - [x] #57392 <!-- [LateLowerGCFrame] fix PlaceGCFrameReset for returns_twice --> - [x] #57388 <!-- Bump JuliaSyntax to v1.0.2 --> - [x] #57266 <!-- 🤖 [master] Bump the Statistics stdlib from d49c2bf to 77bd570 --> - [x] #57395 <!-- lowering: fix has_fcall computation --> - [x] #57204 <!-- Clarify mathematical definition of `gcd` --> - [x] #56794 <!-- Make `Pairs` public --> - [x] #57407 <!-- staticdata: corrected implementation of jl_collect_new_roots --> - [x] #57405 <!-- bpart: Also partition the export flag --> - [x] #57420 <!-- Compiler: Fix check for IRShow definedness --> - [x] #55875 <!-- fix `(-Inf)^-1` inconsistency --> - [x] #57317 <!-- internals: add _defaultctor function for defining ctors --> - [x] #57406 <!-- bpart: Ignore guard bindings for ambiguity purposes --> - [x] #49933 <!-- Allow for :foreigncall to transition to GC safe automatically -->
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Before:
After:
This doesn't really make a semantic difference, but if
fis a type, we may now give a warning, so the prior definition would give the warning twice (#57311 (comment)). We may want to consider rate-limiting the warning independently, but for now at least give the correct number of warnings.