Added IMPOSSIBLE_RESULT to avoid compiler warnings when using (Item_result) -1 as a dummy value
Changed PAGE_SIZE to TEST_PAGE_SIZE to avoid compiler errors on systems where PAGE_SIZE is defined


client/get_password.c:
  Fixed compiler warning
cmd-line-utils/readline/bind.c:
  Fixed compiler warning
cmd-line-utils/readline/chardefs.h:
  Fixed compiler warning by adding marco to be used when largest_char is 255
cmd-line-utils/readline/display.c:
  Fixed compiler warnings by removing not accessed variables
cmd-line-utils/readline/histexpand.c:
  Fixed compiler warnings by removing not accessed variables
cmd-line-utils/readline/history.c:
  Fixed compiler warnings by adding cast
cmd-line-utils/readline/text.c:
  Fixed compiler warnings by removing not accessed variables and adding casts
dbug/dbug.c:
  Fixed compiler warnings by changing types
include/mysql_com.h:
  Added IMPOSSIBLE_RESULT to avoid compiler warnings when using (Item_result) -1 as a dummy value
libmysql/libmysql.c:
  Fixed compiler warning
mysql-test/t/query_cache_debug.test:
  Mark test as BIG as it uses a lot of memory
mysys/mf_iocache2.c:
  Fixed compiler warnings by adding cast
sql/event_data_objects.cc:
  Fixed compiler warnings by removing not used code
sql/events.cc:
  Fixed compiler warnings by removing not used code
sql/field.cc:
  Fixed compiler warnings by adding cast and removed not accessed variables
sql/ha_partition.cc:
  Fixed compiler warnings by removing not used code
sql/item.cc:
  Fixed compiler warnings by removing not accessed variables
  Use IMPOSSIBLE_RESULT instead of (Item_result)-1
sql/item_cmpfunc.cc:
  Fixed compiler warnings by removing not accessed variables
sql/item_func.cc:
  Fixed compiler warnings by removing not used code and not accessed variables
  Added IMPOSSIBLE_RESULT
sql/item_subselect.cc:
  Fixed compiler warnings by removing not accessed variables
sql/item_xmlfunc.cc:
  Fixed forgotten setting of xpath->error
sql/log.cc:
  Fixed compiler warnings by removing not accessed variables
sql/log_event.cc:
  Added IMPOSSIBLE_RESULT into switch
  Fixed wrong usage of DBUG_ASSERT(1)
  Removed always true DBUG_ASSERT()
sql/mysqld.cc:
  Fixed compiler warnings by adding casts for ULONG_MAX
sql/opt_sum.cc:
  Fixed compiler warnings by removing not used code
  Removed wrong DBUG_ASSERT()
sql/partition_info.cc:
  Fixed compiler warnings by removing not accessed variables
sql/rpl_injector.h:
  Removed always true part from DBUG_ASSERT() to remove compiler warning
sql/spatial.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_acl.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_base.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_cache.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_class.cc:
  Fixed compiler warnings by:
  - Removing always true part from DBUG_ASSERT()
  - Removing not used code
  - Added IMPOSSIBLE_RESULT into switch
sql/sql_load.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_parse.cc:
  Fixed compiler warnings by:
  - Removing not accessed variables
  - Removing always true part from DBUG_ASSERT()
  - Removing not used code
sql/sql_plugin.cc:
  Added comment
sql/sql_prepare.cc:
  Fixed compiler warnings by removing not accessed variables
sql/sql_show.cc:
  Fixed compiler warnings by using correct cast
sql/sql_table.cc:
  Fixed compiler warnings by removing not used code and removing not accessed variables
sql/table.cc:
  Fixed compiler warnings by removing not accessed variables
sql/time.cc:
  Fixed wrong DBUG_ASSERT(1)
storage/maria/unittest/Makefile.am:
  Changed PAGE_SIZE to TEST_PAGE_SIZE to avoid compiler errors on systems where PAGE_SIZE is defined
storage/maria/unittest/ma_pagecache_consist.c:
  Changed PAGE_SIZE to TEST_PAGE_SIZE to avoid compiler errors on systems where PAGE_SIZE is defined
storage/maria/unittest/ma_pagecache_single.c:
  Changed PAGE_SIZE to TEST_PAGE_SIZE to avoid compiler errors on systems where PAGE_SIZE is defined
tests/mysql_client_test.c:
  Fixed compiler warnings by removing not accessed variables and changing types