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Ensure methodinstance can be used on abstract types #644

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Ensure methodinstance can be used on abstract types #644

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Ensure methodinstance can be used on abstract types
wsmoses Oct 17, 2024
5129b93
Fix assertion potential
wsmoses Oct 21, 2024
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1 change: 0 additions & 1 deletion src/jlgen.jl
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Expand Up @@ -79,7 +79,6 @@ if VERSION >= v"1.11.0-DEV.1552"
@inline function methodinstance(@nospecialize(ft::Type), @nospecialize(tt::Type),
world::Integer=tls_world_age())
sig = signature_type_by_tt(ft, tt)
@assert Base.isdispatchtuple(sig) # JuliaLang/julia#52233
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@vtjnash vtjnash Oct 18, 2024 •
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The underlying function this ccalls may assert or segfault without this. There is probably a significant argument to be made that you should be using the public function which(sig) here, which doesn't have that footgun, but it currently doesn't know that it could optimize the isdispatchtuple case by calling jl_method_lookup_by_tt.


mi = ccall(:jl_method_lookup_by_tt, Any,
(Any, Csize_t, Any),
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