Warnings.

src/dsql/DdlNodes.h

@@ -1902,7 +1902,7 @@ public:
 		  roles(p),
 		  object(NULL),
 		  users(p),
-		  grantAdminOption(NULL),
+		  grantAdminOption(false),
 		  grantor(NULL)
 	{
 	}

src/jrd/RecordNumber.h

@@ -46,6 +46,10 @@ public:
 	// for big- and little-endian machines.
 	class Packed
 	{
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-private-field"
+#endif
+
 #ifdef WORDS_BIGENDIAN
 	private:
 		UCHAR bid_number_up;				// Upper byte of 40-bit record number
@@ -65,6 +69,11 @@ public:
 		ULONG bid_number;					// Lower bytes of 40-bit record number
 											// or 32-bit temporary ID of blob or array
 #endif
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic warning "-Wunused-private-field"
+#endif
+
 	public:
 		ULONG& bid_temp_id()
 		{

src/jrd/SysFunction.cpp

@@ -1151,6 +1151,7 @@ dsc* evlStdMath(thread_db* tdbb, const SysFunction* function, const NestValueArr
 		break;
 	default:
 		fb_assert(0);
+		return NULL;
 	}
 
 	if (isinf(rc))
@@ -2493,6 +2494,7 @@ dsc* evlLnLog10(thread_db* tdbb, const SysFunction* function, const NestValueArr
 		break;
 	default:
 		fb_assert(0);
+		return NULL;
 	}
 
 	impure->vlu_misc.vlu_double = rc;

src/jrd/blb.cpp

@@ -1685,7 +1685,7 @@ void blb::put_slice(thread_db*	tdbb,
 	// Make sure relation is scanned
 	MET_scan_relation(tdbb, relation);
 
-	jrd_fld* field;
+	jrd_fld* field = NULL;
 	if (n < 0 || !(field = MET_get_field(relation, n))) {
 		IBERROR(197);			// msg 197 field for array not known
 	}

src/jrd/exe.cpp

@@ -742,7 +742,7 @@ void EXE_send(thread_db* tdbb, jrd_req* request, USHORT msg, ULONG length, const
 	if (!(request->req_flags & req_active))
 		ERR_post(Arg::Gds(isc_req_sync));
 
-	const StmtNode* message;
+	const StmtNode* message = NULL;
 	const StmtNode* node;
 
 	if (request->req_operation != jrd_req::req_receive)