ASSERT(false) in 'dungeon.cc' at line 2625 failed.

Version: Dungeon Crawl Stone Soup 0.7.1-24-ga64cc90
Platform: unix
Bits: 64
Game mode: normal
Tiles: no

Command line: /bin/crawl-0.7-a64cc90 -name nht -rc /dgldir/rcfiles/crawl-0.7/nht.rc -macro /dgldir/rcfiles/crawl-0.7/nht.macro -morgue /crawl-0.7/morgue/nht

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 18 stack frames.
/bin/crawl-0.7-a64cc90(_Z17write_stack_traceP8_IO_FILEi+0x27) [0x8fc217]: write_stack_trace(_IO_FILE*, int)
/bin/crawl-0.7-a64cc90(_Z13do_crash_dumpv+0x289) [0x510c19]: do_crash_dump()
/bin/crawl-0.7-a64cc90 [0x8fc487]
/lib/libc.so.6 [0x7fe9aff4bf60]
/lib/libc.so.6(gsignal+0x35) [0x7fe9aff4bed5]: 
/lib/libc.so.6(abort+0x183) [0x7fe9aff4d3f3]: 
/bin/crawl-0.7-a64cc90 [0x50f30c]
/bin/crawl-0.7-a64cc90 [0x58952a]
/bin/crawl-0.7-a64cc90 [0x589882]
/bin/crawl-0.7-a64cc90(_Z7builderiib+0x1ea) [0x58ae2a]: builder(int, int, bool)
/bin/crawl-0.7-a64cc90(_Z4load20dungeon_feature_type14load_mode_typeRK8level_id+0xaa0) [0x5c24a0]: load(dungeon_feature_type, load_mode_type, level_id const&)
/bin/crawl-0.7-a64cc90(_Z11down_stairs20dungeon_feature_type16entry_cause_typePK8level_id+0xa27) [0x88b367]: down_stairs(dungeon_feature_type, entry_cause_type, level_id const*)
/bin/crawl-0.7-a64cc90 [0x5274c3]
/bin/crawl-0.7-a64cc90(_Z12handle_delayv+0x1f5) [0x528bd5]: handle_delay()
/bin/crawl-0.7-a64cc90 [0x6bae35]
/bin/crawl-0.7-a64cc90(main+0x375) [0x6bef75]: 
/lib/libc.so.6(__libc_start_main+0xe6) [0x7fe9aff381a6]: 
/bin/crawl-0.7-a64cc90(_ZNSt8ios_base4InitD1Ev+0x49) [0x49b3e9]: std::ios_base::Init::~Init()

Compilation info:
<<<<<<<<<<<
Compiled with GCC 4.3.2 on Aug 24 2010 at 19:38:19
Compiled on OS: Linux 2.6.26-2-vserver-amd64
Compiled on machine type: x86_64
Compiled on processor type: unknown
CLFAGS: -O2 -pipe -Wall -Wundef -Wno-array-bounds -Wno-parentheses -Wwrite-strings -Wshadow -D_FORTIFY_SOURCE=0 -Wuninitialized -Icontrib/install/include -Iutil -I. -I/usr/include -I/usr/include/ncursesw -g -DSAVE_PACKAGE_NONE -DUSE_TAR -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-0.7-a64cc90/saves" -DDATA_DIR_PATH="/crawl-0.7-a64cc90/" -DUNICODE_GLYPHS
LDFLAGS: -rdynamic -O2
>>>>>>>>>>>

Place info:
absdepth0 = 11, branch = 2, level_type = 4, type_name = bailey

Level id: Bailey
Level id when level was generated: ABSENT
Currently generating level.
level build method =  portal_vault_level [11] plan_main [11] plan_5 spotty_level [100 seeeded]
level layout type  = caves
Level extras: 
Level vaults:
ASSERT(hash_map != NULL) in 'store.cc' at line 1463 failed.
Recursive crash.