Fix missing else keyword seen with clang-static-analyzer:

2019-06-26  Martin Liska  <mliska@suse.cz>

	* bb-reorder.c (connect_better_edge_p): Add missing else
	statement in the middle of if-else statements.

/home/marxin/Programming/gcc/gcc/bb-reorder.c:1031:2: warning: Value stored to 'is_better_edge' is never read
        is_better_edge = true;
        ^                ~~~~
/home/marxin/Programming/gcc/gcc/bb-reorder.c:1034:2: warning: Value stored to 'is_better_edge' is never read
        is_better_edge = false;
        ^                ~~~~~

From-SVN: r272670

gcc/ChangeLog

+2019-06-26  Martin Liska  <mliska@suse.cz>
+
+	* bb-reorder.c (connect_better_edge_p): Add missing else
+	statement in the middle of if-else statements.
+
+/home/marxin/Programming/gcc/gcc/bb-reorder.c:1031:2: warning: Value stored to 'is_better_edge' is never read
+        is_better_edge = true;
+        ^                ~~~~
+/home/marxin/Programming/gcc/gcc/bb-reorder.c:1034:2: warning: Value stored to 'is_better_edge' is never read
+        is_better_edge = false;
+        ^                ~~~~~
+
 2019-06-25  Hongtao Liu  <hongtao.liu@intel.com>
 	    H.J. Lu  <hongjiu.lu@intel.com>
 	    Olga Makhotina  <olga.makhotina@intel.com>

gcc/bb-reorder.c

@@ -1032,7 +1032,7 @@ connect_better_edge_p (const_edge e, bool src_index_p, int best_len,
       else if (e->count () < cur_best_edge->count ())
 	/* The edge has lower probability than the temporary best edge.  */
 	is_better_edge = false;
-      if (e->probability > cur_best_edge->probability)
+      else if (e->probability > cur_best_edge->probability)
 	/* The edge has higher probability than the temporary best edge.  */
 	is_better_edge = true;
       else if (e->probability < cur_best_edge->probability)