[fpc-devel] New sorting routines

C Western l at c-m-w.me.uk
Sun Feb 3 22:22:08 CET 2019


I suspect the new sorting routines need some work - lazarus compiled 
with the latest trunk hangs on start up, and it looks like an infinite 
loop in sorting. Stack trace below.

Colin

#0  0x0000000000422167 in DECLOCKED (L=2) at ../x86_64/x86_64.inc:709
#1  0x000000000042c325 in fpc_ansistr_decr_ref (S=0x2)
     at ../inc/astrings.inc:148
#2  0xfffffffffffffffa in  ()
#3  0x0000000000e8d67b in COMPAREBINARY (LIST=0x7fffdf4f5f00, INDEX1=6, 
INDEX2=
     7) at syneditmarkuphighall.pp:807
#4  0x000000000053abf6 in TSTRINGLIST_CUSTOMSORT_COMPARER (ITEM1=
     0x7fffded60e88, ITEM2=0x1, CONTEXT=0x1b18e80)
     at ../objpas/classes/stringl.inc:1642
#5  0x0000000001b63530 in TC_$SORTBASE_$$_QUICKSORT ()
#6  0x0000000000558b60 in QUICKSORT (parentfp=0x7fffffffc740, L=2, R=7)
     at ../inc/sortbase.pp:182
#7  0x00007fffffffc740 in  ()
#8  0x000000000043aeb5 in SYSGETMEM (SIZE=140736931958424)
     at ../inc/heap.inc:1082
#9  0x0000000000000003 in  ()
#10 0x000000000000000b in  ()
#11 0x0000000001b63530 in TC_$SORTBASE_$$_QUICKSORT ()
#12 0x0000000000e8d430 in 
SYNEDITMARKUPHIGHALL_$$_COMPAREBINARY$TSTRINGLIST$LONGINT$LONGINT$$LONGINT 
()
#13 0x000000000000000c in  ()
#14 0x0000000000558a8e in QUICKSORT_ITEMLIST_CONTEXT (ITEMS=
     0x7fffdfc3c240, ITEMCOUNT=140736931958400, ITEMSIZE=16, COMPARER=
     {function  (POINTER, POINTER, POINTER) : LONGINT} 0x7fffffffc750, 
CONTEXT=
     0x7fffffffc780) at ../inc/sortbase.pp:222
#15 0x00007fffdfc3c240 in  ()
#16 0x0000000000000010 in  ()
#17 0x000000000053abb0 in 
CLASSES_$$_TSTRINGLIST_CUSTOMSORT_COMPARER$POINTER$POINTER$POINTER$$LONGINT 
()
#18 0x00007fffffffc780 in  ()
#19 0x00007fffdf0017a0 in  ()
#20 0x00000000000000b0 in  ()
#21 0x00007fffdf4f5f00 in  ()
#22 0x000000000053ace2 in CUSTOMSORT (this=0x7fffded60e80, COMPAREFN=
     {function  (TSTRINGLIST, LONGINT, LONGINT) : LONGINT} 0x0, 
SORTINGALGORITHM=0x7fffded63018) at ../objpas/classes/stringl.inc:1668
#23 0x00007fffdf4f5f00 in  ()
#24 0x00007fffdfc3c240 in  ()
#25 0x0000000000e8d430 in 
SYNEDITMARKUPHIGHALL_$$_COMPAREBINARY$TSTRINGLIST$LONGINT$LONGINT$$LONGINT 
()
#26 0x0000000000000003 in  ()
#27 0x0000000000e8d430 in 
SYNEDITMARKUPHIGHALL_$$_COMPAREBINARY$TSTRINGLIST$LONGINT$LONGINT$$LONGINT 
()
#28 0x00007fffdf4f5f00 in  ()
#29 0x0000000001b51b78 in VMT_$CLASSES_$$_TSTRINGLIST ()
#30 0x000000000053ab9e in CUSTOMSORT (this=0x1b18e80, COMPAREFN=
     {function  (TSTRINGLIST, LONGINT, LONGINT) : LONGINT} 0x0)
     at ../objpas/classes/stringl.inc:1628
#31 0x00007fffffffc890 in  ()
#32 0x0000000000e8da5e in BUILDDICTIONARY (this=0x7fffdf5574c0)
     at syneditmarkuphighall.pp:959
#33 0x0000000000e8f558 in SEARCH (this=0x7fffdf5574c0, ATEXT=





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