Support do block works with @code_... macros

stdlib/InteractiveUtils/src/macros.jl

@@ -51,6 +51,11 @@ function gen_call_with_extracted_types(__module__, fcn, ex0, kws=Expr[])
                 return Expr(:call, fcn, f,
                             Expr(:call, typesof, map(esc, ex0.args)...))
             end
+        elseif ex0.head === :do && Meta.isexpr(get(ex0.args, 1, nothing), :call)
+            f = ex0.args[1].args[1]
+            args = [[ex0.args[2]]; ex0.args[1].args[2:end]]
+            return Expr(:call, fcn, esc(f), Expr(:call, typesof, map(esc, args)...),
+                        kws...)
         else
             for (head, f) in (:ref => Base.getindex, :hcat => Base.hcat, :(.) => Base.getproperty, :vect => Base.vect, Symbol("'") => Base.adjoint, :typed_hcat => Base.typed_hcat, :string => string)
                 if ex0.head === head

stdlib/InteractiveUtils/test/runtests.jl

@@ -90,6 +90,9 @@ Base.getproperty(t::T1234321, ::Symbol) = "foo"
 Base.setproperty!(t::T1234321, ::Symbol, ::Symbol) = "foo"
 @test (@code_typed T1234321(1).f = :foo).second == String
 
+# Make sure `do` block works with `@code_...` macros
+@test (@code_typed map(1:1) do x; x; end).second == Vector{Int}
+
 module ImportIntrinsics15819
 # Make sure changing the lookup path of an intrinsic doesn't break
 # the heuristic for type instability warning.