4 files changed, 6 insertions, 5 deletions
diff --git a/crawl-ref/source/dungeon.cc b/crawl-ref/source/dungeon.cc
index 3f1d5c514a..f439fdd4b7 100644
--- a/crawl-ref/source/dungeon.cc
+++ b/crawl-ref/source/dungeon.cc
@@ -7373,7 +7373,7 @@ static void _roguey_level(int level_number, spec_room &sr, bool make_stairs)
         }                       // end "for bp, for i"
 
     // Is one of them a special room?
-    const map_def *sroom;
+    const map_def *sroom = NULL;
 
 #ifdef DEBUG_SPECIAL_ROOMS
     if ((sroom = random_map_for_tag("special_room", true)) != NULL)
diff --git a/crawl-ref/source/food.cc b/crawl-ref/source/food.cc
index eebb9f5932..e71c73af4d 100644
--- a/crawl-ref/source/food.cc
+++ b/crawl-ref/source/food.cc
@@ -1380,7 +1380,7 @@ bool eat_from_inventory()
 
     int unusable_corpse = 0;
     int inedible_food = 0;
-    item_def *wonteat;
+    item_def *wonteat = NULL;
     bool found_valid = false;
 
     std::vector<item_def *> food_items;
diff --git a/crawl-ref/source/spl-cast.cc b/crawl-ref/source/spl-cast.cc
index 0aa9b03bd6..8d66c7be89 100644
--- a/crawl-ref/source/spl-cast.cc
+++ b/crawl-ref/source/spl-cast.cc
@@ -2242,6 +2242,7 @@ MiscastEffect::MiscastEffect(actor* _target, int _source, spell_type _spell,
     unsigned int schools = get_spell_disciplines(_spell);
     ASSERT(schools != SPTYP_NONE);
     ASSERT(!(schools & SPTYP_HOLY));
+    UNUSED(schools);
 
     init();
     do_miscast();
diff --git a/crawl-ref/source/xom.cc b/crawl-ref/source/xom.cc
index 87db35f6de..73b2c2e14b 100644
--- a/crawl-ref/source/xom.cc
+++ b/crawl-ref/source/xom.cc
@@ -1415,7 +1415,7 @@ static void _xom_zero_miscast()
     if (_tran_get_eq(EQ_CLOAK) != NULL)
         messages.push_back("Your cloak billows in an unfelt wind.");
 
-    if (item = _tran_get_eq(EQ_HELMET))
+    if ((item = _tran_get_eq(EQ_HELMET)))
     {
         std::string str = "Your ";
         str += item->name(DESC_BASENAME, false, false, false);
@@ -1438,7 +1438,7 @@ static void _xom_zero_miscast()
         messages.push_back(str);
     }
 
-    if (item = _tran_get_eq(EQ_SHIELD))
+    if ((item = _tran_get_eq(EQ_SHIELD)))
     {
         std::string str = "Your ";
         str += item->name(DESC_BASENAME, false, false, false);
@@ -1447,7 +1447,7 @@ static void _xom_zero_miscast()
         messages.push_back(str);
     }
 
-    if (item = _tran_get_eq(EQ_BODY_ARMOUR))
+    if ((item = _tran_get_eq(EQ_BODY_ARMOUR)))
     {
         std::string str;
         std::string name = item->name(DESC_BASENAME, false, false, false);