Turn off bogus compiler warnings about bounds errors when optimising.

Makefile

@@ -5,7 +5,7 @@ ifeq ($(UNAME_S),Darwin)
 endif
 
 GFLAGS += -Wall -Wno-unused -g
-OFLAGS += $(GFLAGS) -O3 -DNDEBUG -DTYPECODES=1 -DDELOPT=1
+OFLAGS += $(GFLAGS) -O3 -DNDEBUG -DTYPECODES=1 -DDELOPT=1 -Wno-array-bounds
 PFLAGS += $(OFLAGS) -pg
 CFLAGS += -D_GNU_SOURCE -I/opt/local/include
 LDLIBS += -L/opt/local/lib