adjust to JuliaLang/julia#54899

Although these code paths don’t seem to be used very often.

src/reflection.jl

@@ -76,7 +76,12 @@ function find_callsites(interp::AbstractInterpreter, CI::Union{Core.CodeInfo, IR
             (; head, args) = stmt
             if head === :invoke
                 rt = argextype(SSAValue(id), CI, sptypes, slottypes)
-                mi = args[1]::MethodInstance
+                arg1 = args[1]
+                if arg1 isa CodeInstance
+                    mi = arg1.def
+                else
+                    mi = arg1::MethodInstance
+                end
                 effects = get_effects(interp, mi, false)
                 callsite = Callsite(id, MICallInfo(mi, rt, effects), head)
             elseif head === :foreigncall

test/irutils.jl

@@ -35,7 +35,11 @@ end
 # check if `x` is a statically-resolved call of a function whose name is `sym`
 isinvoke(y) = @nospecialize(x) -> isinvoke(y, x)
 isinvoke(sym::Symbol, @nospecialize(x)) = isinvoke(mi->mi.def.name===sym, x)
+if VERSION ≥ v"1.12.0-DEV.1667"
+isinvoke(pred::Function, @nospecialize(x)) = isexpr(x, :invoke) && pred(x.args[1]::CodeInstance)
+else
 isinvoke(pred::Function, @nospecialize(x)) = isexpr(x, :invoke) && pred(x.args[1]::MethodInstance)
+end
 
 function fully_eliminated(@nospecialize args...; retval=(@__FILE__), kwargs...)
     code = code_typed1(args...; kwargs...).code