Fix some typos in comments (#54149)

Signed-off-by: alongdate <alongyear@outlook.com>

Author: alongdate

contrib/generate_precompile.jl

@@ -171,7 +171,7 @@ for match = Base._methods(+, (Int, Int), -1, Base.get_world_counter())
         println(k)
     end
 
-    # interactive statup uses this
+    # interactive startup uses this
     write(IOBuffer(), "")
 
     break   # only actually need to do this once

src/staticdata_utils.c

@@ -619,7 +619,7 @@ JL_DLLEXPORT uint8_t jl_match_cache_flags(uint8_t requested_flags, uint8_t actua
         actual_flags &= ~1;
     }
 
-    // 2. Check all flags, execept opt level must be exact
+    // 2. Check all flags, except opt level must be exact
     uint8_t mask = (1 << OPT_LEVEL)-1;
     if ((actual_flags & mask) != (requested_flags & mask))
         return 0;