Don't cache inference results if not optimizing.

The logic had been switched since #18591.

Author: maleadt

base/reflection.jl

@@ -583,7 +583,7 @@ function code_typed(f::ANY, types::ANY=Tuple; optimize=true)
     asts = []
     for x in _methods(f, types, -1)
         meth = func_for_method_checked(x[3], types)
-        (code, ty) = Core.Inference.typeinf_code(meth, x[1], x[2], optimize, !optimize)
+        (code, ty) = Core.Inference.typeinf_code(meth, x[1], x[2], optimize, optimize)
         code === nothing && error("inference not successful") # Inference disabled?
         push!(asts, uncompressed_ast(meth, code) => ty)
     end