Use @recompile_invalidations to heal Base/Core.Compiler invalidations

This increases the pre-compile time to ~29s on my machine.

Fixes significant compilation lag for simple cases like:
```
julia> using Diffractor
julia> Int64
Int64
```

Author: topolarity

Manifest.toml

@@ -2,7 +2,7 @@
 
 julia_version = "1.10.0-DEV"
 manifest_format = "2.0"
-project_hash = "dd9f7fdb915ecd02d7d92d5adfe6109efe7a527e"
+project_hash = "873ecb13bfc6ab364c1458b076d28239c61c249e"
 
 [[deps.AbstractTrees]]
 git-tree-sha1 = "faa260e4cb5aba097a73fab382dd4b5819d8ec8c"
@@ -61,7 +61,7 @@ weakdeps = ["Dates", "LinearAlgebra"]
 [[deps.CompilerSupportLibraries_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae"
-version = "1.0.2+0"
+version = "1.0.5+0"
 
 [[deps.Cthulhu]]
 deps = ["CodeTracking", "FoldingTrees", "InteractiveUtils", "JuliaSyntax", "PrecompileTools", "Preferences", "REPL", "TypedSyntax", "UUIDs", "Unicode", "WidthLimitedIO"]
@@ -192,9 +192,9 @@ version = "1.6.0"
 
 [[deps.PrecompileTools]]
 deps = ["Preferences"]
-git-tree-sha1 = "259e206946c293698122f63e2b513a7c99a244e8"
+git-tree-sha1 = "9673d39decc5feece56ef3940e5dafba15ba0f81"
 uuid = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
-version = "1.1.1"
+version = "1.1.2"
 
 [[deps.Preferences]]
 deps = ["TOML"]

Project.toml

@@ -10,6 +10,7 @@ Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
 Cthulhu = "f68482b8-f384-11e8-15f7-abe071a5a75f"
 InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
+PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"

src/Diffractor.jl

@@ -1,42 +1,45 @@
 module Diffractor
 
 using StructArrays
+using PrecompileTools
 
 export ∂⃖, gradient
 
 const CC = Core.Compiler
 
 const GENERATORS = Expr[]
 
-include("runtime.jl")
-include("interface.jl")
-include("utils.jl")
-include("tangent.jl")
-include("jet.jl")
+@recompile_invalidations begin
+    include("runtime.jl")
+    include("interface.jl")
+    include("utils.jl")
+    include("tangent.jl")
+    include("jet.jl")
 
-include("stage1/generated.jl")
-include("stage1/forward.jl")
-include("stage1/recurse_fwd.jl")
-include("stage1/mixed.jl")
-include("stage1/broadcast.jl")
+    include("stage1/generated.jl")
+    include("stage1/forward.jl")
+    include("stage1/recurse_fwd.jl")
+    include("stage1/mixed.jl")
+    include("stage1/broadcast.jl")
 
-include("stage2/interpreter.jl")
-include("stage2/lattice.jl")
-include("stage2/abstractinterpret.jl")
-include("stage2/tfuncs.jl")
-include("stage2/forward.jl")
+    include("stage2/interpreter.jl")
+    include("stage2/lattice.jl")
+    include("stage2/abstractinterpret.jl")
+    include("stage2/tfuncs.jl")
+    include("stage2/forward.jl")
 
-include("codegen/forward.jl")
-include("analysis/forward.jl")
-include("codegen/forward_demand.jl")
-include("codegen/reverse.jl")
+    include("codegen/forward.jl")
+    include("analysis/forward.jl")
+    include("codegen/forward_demand.jl")
+    include("codegen/reverse.jl")
 
-include("extra_rules.jl")
+    include("extra_rules.jl")
 
-include("higher_fwd_rules.jl")
+    include("higher_fwd_rules.jl")
 
-include("debugutils.jl")
+    include("debugutils.jl")
 
-include("stage1/termination.jl")
+    include("stage1/termination.jl")
+end
 
 end