Silence analyzegc flase positive, incorporate formatting review

NEWS.md

@@ -20,7 +20,7 @@ Command-line option changes
 (i.e. using `julia script.jl` or `julia -e expr`), julia will subsequently run the `Main.main` function automatically if
 such a function has been defined. This is identended to unify script and compilation workflows, where code loading may happen
 in the compiler and execution of `Main.main` may happen in the resulting executable. For interactive use, there is no semantic
-difference between defining a main function and executing the code directly at the end of the script. ([50974])
+difference between defining a `main` function and executing the code directly at the end of the script. ([50974])
 
 Multi-threading changes
 -----------------------

src/jlapi.c

@@ -581,7 +581,8 @@ static NOINLINE int true_main(int argc, char *argv[])
  size_t last_age = ct->world_age;
  ct->world_age = jl_get_world_counter();
  jl_value_t *r = jl_apply(&start_client, 1);
- jl_typeassert(r, (jl_value_t *)jl_int32_type);
+ if (jl_typeof(r) != (jl_value_t*)jl_int32_type)
+ jl_type_error("typeassert", (jl_value_t*)jl_int32_type, r);
  ret = jl_unbox_int32(r);
  ct->world_age = last_age;
  }