Simplify Vobarray checking in oblookup.

* lread.c (oblookup): Simplify Vobarray checking.

src/ChangeLog

@@ -4,7 +4,8 @@
 	* lisp.h (intern, intern_c_string): Redefine as static inline
 	wrappers for intern_1 and intern_c_string_1, respectively.
 	(intern_1, intern_c_string_1): Rename prototypes.
-	* lread.c (intern_1, intern_c_string_1): Simplify Vobarray checking.
+	* lread.c (intern_1, intern_c_string_1, oblookup): Simplify
+	Vobarray checking.
 	* font.c (font_intern_prop): Likewise.  Adjust comment.
 	* w32font.c (intern_font_name): Likewise.

src/lread.c

@@ -3835,12 +3835,9 @@ oblookup (Lisp_Object obarray, register const char *ptr, ptrdiff_t size, ptrdiff
   register Lisp_Object tail;
   Lisp_Object bucket, tem;
 
-  if (!VECTORP (obarray)
-      || (obsize = ASIZE (obarray)) == 0)
-    {
-      obarray = check_obarray (obarray);
-      obsize = ASIZE (obarray);
-    }
+  obarray = check_obarray (obarray);
+  obsize = ASIZE (obarray);
+
   /* This is sometimes needed in the middle of GC.  */
   obsize &= ~ARRAY_MARK_FLAG;
   hash = hash_string (ptr, size_byte) % obsize;