Move compile timing to inside @time's main timing block. Fixes >100% compilation time reports (#41286)

* ensure `@time`'s inner timing functions are compiled

(cherry picked from commit 0dbd3f7)

Author: IanButterworth

base/timing.jl

@@ -205,11 +205,11 @@ macro time(ex)
     quote
         while false; end # compiler heuristic: compile this block (alter this if the heuristic changes)
         local stats = gc_num()
-        local compile_elapsedtime = cumulative_compile_time_ns_before()
         local elapsedtime = time_ns()
+        local compile_elapsedtime = cumulative_compile_time_ns_before()
         local val = $(esc(ex))
-        elapsedtime = time_ns() - elapsedtime
         compile_elapsedtime = cumulative_compile_time_ns_after() - compile_elapsedtime
+        elapsedtime = time_ns() - elapsedtime
         local diff = GC_Diff(gc_num(), stats)
         time_print(elapsedtime, diff.allocd, diff.total_time, gc_alloc_count(diff), compile_elapsedtime, true)
         val
@@ -251,11 +251,11 @@ macro timev(ex)
     quote
         while false; end # compiler heuristic: compile this block (alter this if the heuristic changes)
         local stats = gc_num()
-        local compile_elapsedtime = cumulative_compile_time_ns_before()
         local elapsedtime = time_ns()
+        local compile_elapsedtime = cumulative_compile_time_ns_before()
         local val = $(esc(ex))
-        elapsedtime = time_ns() - elapsedtime
         compile_elapsedtime = cumulative_compile_time_ns_after() - compile_elapsedtime
+        elapsedtime = time_ns() - elapsedtime
         local diff = GC_Diff(gc_num(), stats)
         timev_print(elapsedtime, diff, compile_elapsedtime)
         val