Subject: bug#13743: 24.2.93; Segmentation fault when trying to [s]teal a file opened elsewhere

From: Dmitry Gutov <[email-masked]>
Date: Tue, 19 Feb 2013 04:52:59 +0400

On 18.02.2013 20:11, Eli Zaretskii wrote:
> Can you recompile without optimizations, and show the backtrace from
> that build?  Thanks.

Here you go:

Program received signal SIGSEGV, Segmentation fault.
0x0000000000653481 in add_properties (plist=32025878, i=0x0, 
object=31976325)
     at textprop.c:378
378	      for (tail2 = i->plist; CONSP (tail2); tail2 = Fcdr (XCDR (tail2)))
(gdb) bt full
#0  0x0000000000653481 in add_properties (plist=32025878, i=0x0,
     object=31976325) at textprop.c:378
         tail1 = 32025878
         tail2 = 31873526
         sym1 = 13125730
         val1 = 12886562
         changed = 0
         found = 0
         gcpro1 = {
           next = 0x7fffffff6180,
           var = 0x57dc19 <modify_region+481>,
           nvars = 4295010134
         }
         gcpro2 = {
           next = 0x7fffffff6180,
           var = 0x57dc19 <modify_region+481>,
           nvars = 4295010134
         }
         gcpro3 = {
           next = 0x7fffffff6180,
           var = 0x57dc19 <modify_region+481>,
           nvars = 4295010134
         }
---Type <return> to continue, or q <return> to quit---
#1  0x0000000000655963 in Fadd_text_properties (start=4, end=3068,
     properties=32025878, object=31976325) at textprop.c:1212
         i = 0x0
         unchanged = 0x7fffffffa568
         s = 1
         len = 558
         modified = 19
         gcpro1 = {
           next = 0xa31e4d <pure+1297709>,
           var = 0xa31e29 <pure+1297673>,
           nvars = 579820584989
         }
#2  0x00000000006559e0 in Fput_text_property (start=4, end=3068,
     property=13125730, value=12886562, object=12886562) at textprop.c:1229
No locals.
#3  0x00000000005e6cc9 in Ffuncall (nargs=5, args=0x7fffffff6368)
     at eval.c:2794
         fun = 12265781
         original_fun = 13073714
         funcar = 12706944
         numargs = 4
         lisp_numargs = 31976320
         val = -4294966896
---Type <return> to continue, or q <return> to quit---
         backtrace = {
           next = 0x7fffffff6820,
           function = 13073714,
           args = 0x7fffffff6370,
           nargs = 4,
           debug_on_exit = 0
         }
         internal_args = 0x7fffffff6270
         i = 5
#4  0x000000000062fd90 in exec_byte_code (bytestr=10703001, 
vector=10703037,
     maxdepth=24, args_template=12886562, nargs=0, args=0x0) at 
bytecode.c:900
         targets = {0x633680 <exec_byte_code+17815>,
           0x63368f <exec_byte_code+17830>, 0x633691 
<exec_byte_code+17832>,
           0x633693 <exec_byte_code+17834>, 0x633695 
<exec_byte_code+17836>,
           0x633695 <exec_byte_code+17836>, 0x6336ff 
<exec_byte_code+17942>,
           0x633773 <exec_byte_code+18058>, 0x62f608 <exec_byte_code+1311>,
           0x62f60a <exec_byte_code+1313>, 0x62f60c <exec_byte_code+1315>,
           0x62f60e <exec_byte_code+1317>, 0x62f610 <exec_byte_code+1319>,
           0x62f610 <exec_byte_code+1319>, 0x62f619 <exec_byte_code+1328>,
           0x62f5d3 <exec_byte_code+1258>, 0x62fa8c <exec_byte_code+2467>,
           0x62fa8e <exec_byte_code+2469>, 0x62fa90 <exec_byte_code+2471>,
           0x62fa92 <exec_byte_code+2473>, 0x62fa94 <exec_byte_code+2475>,
           0x62fa94 <exec_byte_code+2475>, 0x62fad2 <exec_byte_code+2537>,
---Type <return> to continue, or q <return> to quit---
           0x62fa9d <exec_byte_code+2484>, 0x62fc85 <exec_byte_code+2972>,
           0x62fc87 <exec_byte_code+2974>, 0x62fc89 <exec_byte_code+2976>,
           0x62fc8b <exec_byte_code+2978>, 0x62fc8d <exec_byte_code+2980>,
           0x62fc8d <exec_byte_code+2980>, 0x62fc36 <exec_byte_code+2893>,
           0x62fc50 <exec_byte_code+2919>, 0x62fd4e <exec_byte_code+3173>,
           0x62fd50 <exec_byte_code+3175>, 0x62fd52 <exec_byte_code+3177>,
           0x62fd54 <exec_byte_code+3179>, 0x62fd56 <exec_byte_code+3181>,
           0x62fd56 <exec_byte_code+3181>, 0x62fcff <exec_byte_code+3094>,
           0x62fd19 <exec_byte_code+3120>, 0x62fe1a <exec_byte_code+3377>,
           0x62fe1c <exec_byte_code+3379>, 0x62fe1e <exec_byte_code+3381>,
           0x62fe20 <exec_byte_code+3383>, 0x62fe22 <exec_byte_code+3385>,
           0x62fe22 <exec_byte_code+3385>, 0x62fdcb <exec_byte_code+3298>,
           0x62fde5 <exec_byte_code+3324>, 0x633680 <exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x630e06 <exec_byte_code+7453>,
           0x630f3a <exec_byte_code+7761>, 0x630f97 <exec_byte_code+7854>,
           0x630ff4 <exec_byte_code+7947>, 0x631051 <exec_byte_code+8040>,
           0x62f8fd <exec_byte_code+2068>, 0x62f974 <exec_byte_code+2187>,
           0x6310c4 <exec_byte_code+8155>, 0x62f856 <exec_byte_code+1901>,
           0x62f9e4 <exec_byte_code+2299>, 0x631125 <exec_byte_code+8252>,
           0x631195 <exec_byte_code+8364>, 0x6311ec <exec_byte_code+8451>,
---Type <return> to continue, or q <return> to quit---
           0x631271 <exec_byte_code+8584>, 0x6312c8 <exec_byte_code+8671>,
           0x6313ac <exec_byte_code+8899>, 0x6313f9 <exec_byte_code+8976>,
           0x631469 <exec_byte_code+9088>, 0x6314f9 <exec_byte_code+9232>,
           0x631546 <exec_byte_code+9309>, 0x631593 <exec_byte_code+9386>,
           0x631603 <exec_byte_code+9498>, 0x631673 <exec_byte_code+9610>,
           0x6316e3 <exec_byte_code+9722>, 0x631773 <exec_byte_code+9866>,
           0x6317ca <exec_byte_code+9953>, 0x631821 <exec_byte_code+10040>,
           0x631905 <exec_byte_code+10268>, 0x63199b 
<exec_byte_code+10418>,
           0x631a31 <exec_byte_code+10568>, 0x631c9a 
<exec_byte_code+11185>,
           0x631d0a <exec_byte_code+11297>, 0x631d7a 
<exec_byte_code+11409>,
           0x631dea <exec_byte_code+11521>, 0x631e5a 
<exec_byte_code+11633>,
           0x631eb1 <exec_byte_code+11720>, 0x631f4b 
<exec_byte_code+11874>,
           0x631fa2 <exec_byte_code+11961>, 0x631ff9 
<exec_byte_code+12048>,
           0x632050 <exec_byte_code+12135>, 0x63216e 
<exec_byte_code+12421>,
           0x630a71 <exec_byte_code+6536>, 0x6321d1 <exec_byte_code+12520>,
           0x63221e <exec_byte_code+12597>, 0x6322fa 
<exec_byte_code+12817>,
           0x63235d <exec_byte_code+12916>, 0x6323c0 
<exec_byte_code+13015>,
           0x63240d <exec_byte_code+13092>, 0x632463 
<exec_byte_code+13178>,
           0x6324b9 <exec_byte_code+13264>, 0x632513 
<exec_byte_code+13354>,
           0x633680 <exec_byte_code+17815>, 0x63256a 
<exec_byte_code+13441>,
           0x6325b2 <exec_byte_code+13513>, 0x6325fa 
<exec_byte_code+13585>,
           0x632642 <exec_byte_code+13657>, 0x63268a 
<exec_byte_code+13729>,
           0x6326d2 <exec_byte_code+13801>, 0x630a71 <exec_byte_code+6536>,
---Type <return> to continue, or q <return> to quit---
           0x633680 <exec_byte_code+17815>, 0x63271f 
<exec_byte_code+13878>,
           0x632767 <exec_byte_code+13950>, 0x6327b4 
<exec_byte_code+14027>,
           0x632801 <exec_byte_code+14104>, 0x632871 
<exec_byte_code+14216>,
           0x6328e1 <exec_byte_code+14328>, 0x63292e 
<exec_byte_code+14405>,
           0x632b91 <exec_byte_code+15016>, 0x632c01 
<exec_byte_code+15128>,
           0x632c71 <exec_byte_code+15240>, 0x632ce1 
<exec_byte_code+15352>,
           0x632d29 <exec_byte_code+15424>, 0x633680 
<exec_byte_code+17815>,
           0x63099c <exec_byte_code+6323>, 0x62fee9 <exec_byte_code+3584>,
           0x62f717 <exec_byte_code+1582>, 0x62fffb <exec_byte_code+3858>,
           0x63013a <exec_byte_code+4177>, 0x630270 <exec_byte_code+4487>,
           0x630907 <exec_byte_code+6174>, 0x630963 <exec_byte_code+6266>,
           0x62fbdb <exec_byte_code+2802>, 0x630a2e <exec_byte_code+6469>,
           0x630aa7 <exec_byte_code+6590>, 0x630b46 <exec_byte_code+6749>,
           0x630b89 <exec_byte_code+6816>, 0x630bfb <exec_byte_code+6930>,
           0x630c4b <exec_byte_code+7010>, 0x630cdb <exec_byte_code+7154>,
           0x630d65 <exec_byte_code+7292>, 0x62fe9f <exec_byte_code+3510>,
           0x632d76 <exec_byte_code+15501>, 0x632e06 
<exec_byte_code+15645>,
           0x632e53 <exec_byte_code+15722>, 0x632ea0 
<exec_byte_code+15799>,
           0x632eed <exec_byte_code+15876>, 0x632f3a 
<exec_byte_code+15953>,
           0x632faa <exec_byte_code+16065>, 0x63301a 
<exec_byte_code+16177>,
           0x63308a <exec_byte_code+16289>, 0x6330fa 
<exec_byte_code+16401>,
           0x633285 <exec_byte_code+16796>, 0x6332f5 
<exec_byte_code+16908>,
           0x633365 <exec_byte_code+17020>, 0x6333b2 
<exec_byte_code+17097>,
---Type <return> to continue, or q <return> to quit---
           0x633422 <exec_byte_code+17209>, 0x63348c 
<exec_byte_code+17315>,
           0x6334f5 <exec_byte_code+17420>, 0x63355f 
<exec_byte_code+17526>,
           0x6320a7 <exec_byte_code+12222>, 0x6320fe 
<exec_byte_code+12309>,
           0x6335b6 <exec_byte_code+17613>, 0x633624 
<exec_byte_code+17723>,
           0x633680 <exec_byte_code+17815>, 0x6303a6 <exec_byte_code+4797>,
           0x63048b <exec_byte_code+5026>, 0x6305a9 <exec_byte_code+5312>,
           0x6306c7 <exec_byte_code+5598>, 0x6307e7 <exec_byte_code+5886>,
           0x63131f <exec_byte_code+8758>, 0x631878 <exec_byte_code+10127>,
           0x63226d <exec_byte_code+12676>, 0x63380f 
<exec_byte_code+18214>,
           0x633883 <exec_byte_code+18330>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x63391f 
<exec_byte_code+18486>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>,
           0x6339bd <exec_byte_code+18644> <repeats 64 times>}
         count = 34
         op = 4
         vectorp = 0xa350c8 <pure+1310632>
         stack = {
           pc = 0xb3637b <pure+2363995> ".\n\207",
           byte_string = 10703001,
---Type <return> to continue, or q <return> to quit---
           byte_string_start = 0xb36353 <pure+2363955> "\306\030\307 
\031\032\033\306\034\035\036\f\310\036\r\214~\210\312\016\016\206\037",
           constants = 10703037,
           next = 0x7fffffff6c20
         }
         top = 0x7fffffff6368
         result = 140737488315744
#5  0x00000000005e7609 in funcall_lambda (fun=10702949, nargs=0,
     arg_vector=0x7fffffff6880) at eval.c:3010
         val = 17086304
         syms_left = 12886562
         next = 16218994
         lexenv = 12886562
         count = 32
         i = 0
         optional = true
         rest = false
#6  0x00000000005e6e09 in Ffuncall (nargs=1, args=0x7fffffff6878)
     at eval.c:2827
         fun = 10702949
         original_fun = 20632738
         funcar = 20632546
         numargs = 0
---Type <return> to continue, or q <return> to quit---
         lisp_numargs = 12886610
         val = 140737488316512
         backtrace = {
           next = 0x7fffffff6d50,
           function = 20632738,
           args = 0x7fffffff6880,
           nargs = 0,
           debug_on_exit = 0
         }
         internal_args = 0x7fffffff6db0
         i = 6072020
#7  0x000000000062fd90 in exec_byte_code (bytestr=10702057, 
vector=10702093,
     maxdepth=44, args_template=12886562, nargs=0, args=0x0) at 
bytecode.c:900
         targets = {0x633680 <exec_byte_code+17815>,
           0x63368f <exec_byte_code+17830>, 0x633691 
<exec_byte_code+17832>,
           0x633693 <exec_byte_code+17834>, 0x633695 
<exec_byte_code+17836>,
           0x633695 <exec_byte_code+17836>, 0x6336ff 
<exec_byte_code+17942>,
           0x633773 <exec_byte_code+18058>, 0x62f608 <exec_byte_code+1311>,
           0x62f60a <exec_byte_code+1313>, 0x62f60c <exec_byte_code+1315>,
           0x62f60e <exec_byte_code+1317>, 0x62f610 <exec_byte_code+1319>,
           0x62f610 <exec_byte_code+1319>, 0x62f619 <exec_byte_code+1328>,
           0x62f5d3 <exec_byte_code+1258>, 0x62fa8c <exec_byte_code+2467>,
           0x62fa8e <exec_byte_code+2469>, 0x62fa90 <exec_byte_code+2471>,
---Type <return> to continue, or q <return> to quit---
           0x62fa92 <exec_byte_code+2473>, 0x62fa94 <exec_byte_code+2475>,
           0x62fa94 <exec_byte_code+2475>, 0x62fad2 <exec_byte_code+2537>,
           0x62fa9d <exec_byte_code+2484>, 0x62fc85 <exec_byte_code+2972>,
           0x62fc87 <exec_byte_code+2974>, 0x62fc89 <exec_byte_code+2976>,
           0x62fc8b <exec_byte_code+2978>, 0x62fc8d <exec_byte_code+2980>,
           0x62fc8d <exec_byte_code+2980>, 0x62fc36 <exec_byte_code+2893>,
           0x62fc50 <exec_byte_code+2919>, 0x62fd4e <exec_byte_code+3173>,
           0x62fd50 <exec_byte_code+3175>, 0x62fd52 <exec_byte_code+3177>,
           0x62fd54 <exec_byte_code+3179>, 0x62fd56 <exec_byte_code+3181>,
           0x62fd56 <exec_byte_code+3181>, 0x62fcff <exec_byte_code+3094>,
           0x62fd19 <exec_byte_code+3120>, 0x62fe1a <exec_byte_code+3377>,
           0x62fe1c <exec_byte_code+3379>, 0x62fe1e <exec_byte_code+3381>,
           0x62fe20 <exec_byte_code+3383>, 0x62fe22 <exec_byte_code+3385>,
           0x62fe22 <exec_byte_code+3385>, 0x62fdcb <exec_byte_code+3298>,
           0x62fde5 <exec_byte_code+3324>, 0x633680 <exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x630e06 <exec_byte_code+7453>,
           0x630f3a <exec_byte_code+7761>, 0x630f97 <exec_byte_code+7854>,
           0x630ff4 <exec_byte_code+7947>, 0x631051 <exec_byte_code+8040>,
           0x62f8fd <exec_byte_code+2068>, 0x62f974 <exec_byte_code+2187>,
           0x6310c4 <exec_byte_code+8155>, 0x62f856 <exec_byte_code+1901>,
---Type <return> to continue, or q <return> to quit---
           0x62f9e4 <exec_byte_code+2299>, 0x631125 <exec_byte_code+8252>,
           0x631195 <exec_byte_code+8364>, 0x6311ec <exec_byte_code+8451>,
           0x631271 <exec_byte_code+8584>, 0x6312c8 <exec_byte_code+8671>,
           0x6313ac <exec_byte_code+8899>, 0x6313f9 <exec_byte_code+8976>,
           0x631469 <exec_byte_code+9088>, 0x6314f9 <exec_byte_code+9232>,
           0x631546 <exec_byte_code+9309>, 0x631593 <exec_byte_code+9386>,
           0x631603 <exec_byte_code+9498>, 0x631673 <exec_byte_code+9610>,
           0x6316e3 <exec_byte_code+9722>, 0x631773 <exec_byte_code+9866>,
           0x6317ca <exec_byte_code+9953>, 0x631821 <exec_byte_code+10040>,
           0x631905 <exec_byte_code+10268>, 0x63199b 
<exec_byte_code+10418>,
           0x631a31 <exec_byte_code+10568>, 0x631c9a 
<exec_byte_code+11185>,
           0x631d0a <exec_byte_code+11297>, 0x631d7a 
<exec_byte_code+11409>,
           0x631dea <exec_byte_code+11521>, 0x631e5a 
<exec_byte_code+11633>,
           0x631eb1 <exec_byte_code+11720>, 0x631f4b 
<exec_byte_code+11874>,
           0x631fa2 <exec_byte_code+11961>, 0x631ff9 
<exec_byte_code+12048>,
           0x632050 <exec_byte_code+12135>, 0x63216e 
<exec_byte_code+12421>,
           0x630a71 <exec_byte_code+6536>, 0x6321d1 <exec_byte_code+12520>,
           0x63221e <exec_byte_code+12597>, 0x6322fa 
<exec_byte_code+12817>,
           0x63235d <exec_byte_code+12916>, 0x6323c0 
<exec_byte_code+13015>,
           0x63240d <exec_byte_code+13092>, 0x632463 
<exec_byte_code+13178>,
           0x6324b9 <exec_byte_code+13264>, 0x632513 
<exec_byte_code+13354>,
           0x633680 <exec_byte_code+17815>, 0x63256a 
<exec_byte_code+13441>,
           0x6325b2 <exec_byte_code+13513>, 0x6325fa 
<exec_byte_code+13585>,
---Type <return> to continue, or q <return> to quit---
           0x632642 <exec_byte_code+13657>, 0x63268a 
<exec_byte_code+13729>,
           0x6326d2 <exec_byte_code+13801>, 0x630a71 <exec_byte_code+6536>,
           0x633680 <exec_byte_code+17815>, 0x63271f 
<exec_byte_code+13878>,
           0x632767 <exec_byte_code+13950>, 0x6327b4 
<exec_byte_code+14027>,
           0x632801 <exec_byte_code+14104>, 0x632871 
<exec_byte_code+14216>,
           0x6328e1 <exec_byte_code+14328>, 0x63292e 
<exec_byte_code+14405>,
           0x632b91 <exec_byte_code+15016>, 0x632c01 
<exec_byte_code+15128>,
           0x632c71 <exec_byte_code+15240>, 0x632ce1 
<exec_byte_code+15352>,
           0x632d29 <exec_byte_code+15424>, 0x633680 
<exec_byte_code+17815>,
           0x63099c <exec_byte_code+6323>, 0x62fee9 <exec_byte_code+3584>,
           0x62f717 <exec_byte_code+1582>, 0x62fffb <exec_byte_code+3858>,
           0x63013a <exec_byte_code+4177>, 0x630270 <exec_byte_code+4487>,
           0x630907 <exec_byte_code+6174>, 0x630963 <exec_byte_code+6266>,
           0x62fbdb <exec_byte_code+2802>, 0x630a2e <exec_byte_code+6469>,
           0x630aa7 <exec_byte_code+6590>, 0x630b46 <exec_byte_code+6749>,
           0x630b89 <exec_byte_code+6816>, 0x630bfb <exec_byte_code+6930>,
           0x630c4b <exec_byte_code+7010>, 0x630cdb <exec_byte_code+7154>,
           0x630d65 <exec_byte_code+7292>, 0x62fe9f <exec_byte_code+3510>,
           0x632d76 <exec_byte_code+15501>, 0x632e06 
<exec_byte_code+15645>,
           0x632e53 <exec_byte_code+15722>, 0x632ea0 
<exec_byte_code+15799>,
           0x632eed <exec_byte_code+15876>, 0x632f3a 
<exec_byte_code+15953>,
           0x632faa <exec_byte_code+16065>, 0x63301a 
<exec_byte_code+16177>,
           0x63308a <exec_byte_code+16289>, 0x6330fa 
<exec_byte_code+16401>,
---Type <return> to continue, or q <return> to quit---
           0x633285 <exec_byte_code+16796>, 0x6332f5 
<exec_byte_code+16908>,
           0x633365 <exec_byte_code+17020>, 0x6333b2 
<exec_byte_code+17097>,
           0x633422 <exec_byte_code+17209>, 0x63348c 
<exec_byte_code+17315>,
           0x6334f5 <exec_byte_code+17420>, 0x63355f 
<exec_byte_code+17526>,
           0x6320a7 <exec_byte_code+12222>, 0x6320fe 
<exec_byte_code+12309>,
           0x6335b6 <exec_byte_code+17613>, 0x633624 
<exec_byte_code+17723>,
           0x633680 <exec_byte_code+17815>, 0x6303a6 <exec_byte_code+4797>,
           0x63048b <exec_byte_code+5026>, 0x6305a9 <exec_byte_code+5312>,
           0x6306c7 <exec_byte_code+5598>, 0x6307e7 <exec_byte_code+5886>,
           0x63131f <exec_byte_code+8758>, 0x631878 <exec_byte_code+10127>,
           0x63226d <exec_byte_code+12676>, 0x63380f 
<exec_byte_code+18214>,
           0x633883 <exec_byte_code+18330>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x63391f 
<exec_byte_code+18486>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>,
           0x6339bd <exec_byte_code+18644> <repeats 64 times>}
         count = 32
         op = 0
         vectorp = 0xa34d18 <pure+1309688>
         stack = {
---Type <return> to continue, or q <return> to quit---
           pc = 0xb363e1 <pure+2364097> "\210\n\203\027",
           byte_string = 10702057,
           byte_string_start = 0xb363d9 <pure+2364089> "\b\211\021\203j",
           constants = 10702093,
           next = 0x7fffffff7120
         }
         top = 0x7fffffff6878
         result = 32026406
#8  0x00000000005e7609 in funcall_lambda (fun=10702005, nargs=1,
     arg_vector=0x7fffffff6db0) at eval.c:3010
         val = 32026406
         syms_left = 12886562
         next = 16205330
         lexenv = 12886562
         count = 31
         i = 1
         optional = false
         rest = false
#9  0x00000000005e6e09 in Ffuncall (nargs=2, args=0x7fffffff6da8)
     at eval.c:2827
         fun = 10702005
         original_fun = 20632546
         funcar = 20657074
---Type <return> to continue, or q <return> to quit---
         numargs = 1
         lisp_numargs = 12886610
         val = 140737488317840
         backtrace = {
           next = 0x7fffffff7250,
           function = 20632546,
           args = 0x7fffffff6db0,
           nargs = 1,
           debug_on_exit = 0
         }
         internal_args = 0x7fffffff72b0
         i = 6072020
#10 0x000000000062fd90 in exec_byte_code (bytestr=10702641, 
vector=10702677,
     maxdepth=20, args_template=12886562, nargs=0, args=0x0) at 
bytecode.c:900
         targets = {0x633680 <exec_byte_code+17815>,
           0x63368f <exec_byte_code+17830>, 0x633691 
<exec_byte_code+17832>,
           0x633693 <exec_byte_code+17834>, 0x633695 
<exec_byte_code+17836>,
           0x633695 <exec_byte_code+17836>, 0x6336ff 
<exec_byte_code+17942>,
           0x633773 <exec_byte_code+18058>, 0x62f608 <exec_byte_code+1311>,
           0x62f60a <exec_byte_code+1313>, 0x62f60c <exec_byte_code+1315>,
           0x62f60e <exec_byte_code+1317>, 0x62f610 <exec_byte_code+1319>,
           0x62f610 <exec_byte_code+1319>, 0x62f619 <exec_byte_code+1328>,
           0x62f5d3 <exec_byte_code+1258>, 0x62fa8c <exec_byte_code+2467>,
---Type <return> to continue, or q <return> to quit---
           0x62fa8e <exec_byte_code+2469>, 0x62fa90 <exec_byte_code+2471>,
           0x62fa92 <exec_byte_code+2473>, 0x62fa94 <exec_byte_code+2475>,
           0x62fa94 <exec_byte_code+2475>, 0x62fad2 <exec_byte_code+2537>,
           0x62fa9d <exec_byte_code+2484>, 0x62fc85 <exec_byte_code+2972>,
           0x62fc87 <exec_byte_code+2974>, 0x62fc89 <exec_byte_code+2976>,
           0x62fc8b <exec_byte_code+2978>, 0x62fc8d <exec_byte_code+2980>,
           0x62fc8d <exec_byte_code+2980>, 0x62fc36 <exec_byte_code+2893>,
           0x62fc50 <exec_byte_code+2919>, 0x62fd4e <exec_byte_code+3173>,
           0x62fd50 <exec_byte_code+3175>, 0x62fd52 <exec_byte_code+3177>,
           0x62fd54 <exec_byte_code+3179>, 0x62fd56 <exec_byte_code+3181>,
           0x62fd56 <exec_byte_code+3181>, 0x62fcff <exec_byte_code+3094>,
           0x62fd19 <exec_byte_code+3120>, 0x62fe1a <exec_byte_code+3377>,
           0x62fe1c <exec_byte_code+3379>, 0x62fe1e <exec_byte_code+3381>,
           0x62fe20 <exec_byte_code+3383>, 0x62fe22 <exec_byte_code+3385>,
           0x62fe22 <exec_byte_code+3385>, 0x62fdcb <exec_byte_code+3298>,
           0x62fde5 <exec_byte_code+3324>, 0x633680 <exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x630e06 <exec_byte_code+7453>,
           0x630f3a <exec_byte_code+7761>, 0x630f97 <exec_byte_code+7854>,
           0x630ff4 <exec_byte_code+7947>, 0x631051 <exec_byte_code+8040>,
           0x62f8fd <exec_byte_code+2068>, 0x62f974 <exec_byte_code+2187>,
---Type <return> to continue, or q <return> to quit---
           0x6310c4 <exec_byte_code+8155>, 0x62f856 <exec_byte_code+1901>,
           0x62f9e4 <exec_byte_code+2299>, 0x631125 <exec_byte_code+8252>,
           0x631195 <exec_byte_code+8364>, 0x6311ec <exec_byte_code+8451>,
           0x631271 <exec_byte_code+8584>, 0x6312c8 <exec_byte_code+8671>,
           0x6313ac <exec_byte_code+8899>, 0x6313f9 <exec_byte_code+8976>,
           0x631469 <exec_byte_code+9088>, 0x6314f9 <exec_byte_code+9232>,
           0x631546 <exec_byte_code+9309>, 0x631593 <exec_byte_code+9386>,
           0x631603 <exec_byte_code+9498>, 0x631673 <exec_byte_code+9610>,
           0x6316e3 <exec_byte_code+9722>, 0x631773 <exec_byte_code+9866>,
           0x6317ca <exec_byte_code+9953>, 0x631821 <exec_byte_code+10040>,
           0x631905 <exec_byte_code+10268>, 0x63199b 
<exec_byte_code+10418>,
           0x631a31 <exec_byte_code+10568>, 0x631c9a 
<exec_byte_code+11185>,
           0x631d0a <exec_byte_code+11297>, 0x631d7a 
<exec_byte_code+11409>,
           0x631dea <exec_byte_code+11521>, 0x631e5a 
<exec_byte_code+11633>,
           0x631eb1 <exec_byte_code+11720>, 0x631f4b 
<exec_byte_code+11874>,
           0x631fa2 <exec_byte_code+11961>, 0x631ff9 
<exec_byte_code+12048>,
           0x632050 <exec_byte_code+12135>, 0x63216e 
<exec_byte_code+12421>,
           0x630a71 <exec_byte_code+6536>, 0x6321d1 <exec_byte_code+12520>,
           0x63221e <exec_byte_code+12597>, 0x6322fa 
<exec_byte_code+12817>,
           0x63235d <exec_byte_code+12916>, 0x6323c0 
<exec_byte_code+13015>,
           0x63240d <exec_byte_code+13092>, 0x632463 
<exec_byte_code+13178>,
           0x6324b9 <exec_byte_code+13264>, 0x632513 
<exec_byte_code+13354>,
           0x633680 <exec_byte_code+17815>, 0x63256a 
<exec_byte_code+13441>,
---Type <return> to continue, or q <return> to quit---
           0x6325b2 <exec_byte_code+13513>, 0x6325fa 
<exec_byte_code+13585>,
           0x632642 <exec_byte_code+13657>, 0x63268a 
<exec_byte_code+13729>,
           0x6326d2 <exec_byte_code+13801>, 0x630a71 <exec_byte_code+6536>,
           0x633680 <exec_byte_code+17815>, 0x63271f 
<exec_byte_code+13878>,
           0x632767 <exec_byte_code+13950>, 0x6327b4 
<exec_byte_code+14027>,
           0x632801 <exec_byte_code+14104>, 0x632871 
<exec_byte_code+14216>,
           0x6328e1 <exec_byte_code+14328>, 0x63292e 
<exec_byte_code+14405>,
           0x632b91 <exec_byte_code+15016>, 0x632c01 
<exec_byte_code+15128>,
           0x632c71 <exec_byte_code+15240>, 0x632ce1 
<exec_byte_code+15352>,
           0x632d29 <exec_byte_code+15424>, 0x633680 
<exec_byte_code+17815>,
           0x63099c <exec_byte_code+6323>, 0x62fee9 <exec_byte_code+3584>,
           0x62f717 <exec_byte_code+1582>, 0x62fffb <exec_byte_code+3858>,
           0x63013a <exec_byte_code+4177>, 0x630270 <exec_byte_code+4487>,
           0x630907 <exec_byte_code+6174>, 0x630963 <exec_byte_code+6266>,
           0x62fbdb <exec_byte_code+2802>, 0x630a2e <exec_byte_code+6469>,
           0x630aa7 <exec_byte_code+6590>, 0x630b46 <exec_byte_code+6749>,
           0x630b89 <exec_byte_code+6816>, 0x630bfb <exec_byte_code+6930>,
           0x630c4b <exec_byte_code+7010>, 0x630cdb <exec_byte_code+7154>,
           0x630d65 <exec_byte_code+7292>, 0x62fe9f <exec_byte_code+3510>,
           0x632d76 <exec_byte_code+15501>, 0x632e06 
<exec_byte_code+15645>,
           0x632e53 <exec_byte_code+15722>, 0x632ea0 
<exec_byte_code+15799>,
           0x632eed <exec_byte_code+15876>, 0x632f3a 
<exec_byte_code+15953>,
           0x632faa <exec_byte_code+16065>, 0x63301a 
<exec_byte_code+16177>,
---Type <return> to continue, or q <return> to quit---
           0x63308a <exec_byte_code+16289>, 0x6330fa 
<exec_byte_code+16401>,
           0x633285 <exec_byte_code+16796>, 0x6332f5 
<exec_byte_code+16908>,
           0x633365 <exec_byte_code+17020>, 0x6333b2 
<exec_byte_code+17097>,
           0x633422 <exec_byte_code+17209>, 0x63348c 
<exec_byte_code+17315>,
           0x6334f5 <exec_byte_code+17420>, 0x63355f 
<exec_byte_code+17526>,
           0x6320a7 <exec_byte_code+12222>, 0x6320fe 
<exec_byte_code+12309>,
           0x6335b6 <exec_byte_code+17613>, 0x633624 
<exec_byte_code+17723>,
           0x633680 <exec_byte_code+17815>, 0x6303a6 <exec_byte_code+4797>,
           0x63048b <exec_byte_code+5026>, 0x6305a9 <exec_byte_code+5312>,
           0x6306c7 <exec_byte_code+5598>, 0x6307e7 <exec_byte_code+5886>,
           0x63131f <exec_byte_code+8758>, 0x631878 <exec_byte_code+10127>,
           0x63226d <exec_byte_code+12676>, 0x63380f 
<exec_byte_code+18214>,
           0x633883 <exec_byte_code+18330>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x63391f 
<exec_byte_code+18486>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>, 0x633680 
<exec_byte_code+17815>,
           0x633680 <exec_byte_code+17815>,
           0x6339bd <exec_byte_code+18644> <repeats 64 times>}
         count = 31
         op = 1
         vectorp = 0xa34f60 <pure+1310272>
---Type <return> to continue, or q <return> to quit---
         stack = {
           pc = 0xb363a7 <pure+2364039> "\207",
           byte_string = 10702641,
           byte_string_start = 0xb3638f <pure+2364015> 
"\303\304\b\305\306$\210\t\203\025",
           constants = 10702677,
           next = 0x7fffffff7630
         }
         top = 0x7fffffff6da8
         result = 13014770
#11 0x00000000005e7609 in funcall_lambda (fun=10702541, nargs=2,
     arg_vector=0x7fffffff72b0) at eval.c:3010
         val = 13014770
         syms_left = 12886562
         next = 20635378
         lexenv = 12886562
         count = 29
         i = 2
         optional = true
         rest = false
#12 0x00000000005e6e09 in Ffuncall (nargs=3, args=0x7fffffff72a8)
     at eval.c:2827
         fun = 10702541
---Type <return> to continue, or q <return> to quit---
         original_fun = 16301234
         funcar = 20631474
         numargs = 2
         lisp_numargs = 12886610
         val = 140737488319120
         backtrace = {
           next = 0x7fffffff7760,
           function = 16301234,
           args = 0x7fffffff72b0,
           nargs = 2,
           debug_on_exit = 0
         }
         internal_args = 0x7fffffff77c0
         i = 6072020
#13 0x000000000062fd90 in exec_byte_code (bytestr=10679993, 
vector=10680029,
     maxdepth=24, args_template=12886562, nargs=0, args=0x0) at 
bytecode.c:900
         targets = {0x633680 <exec_byte_code+17815>,
           0x63368f <exec_byte_code+17830>, 0x633691 
<exec_byte_code+17832>,
           0x633693 <exec_byte_code+17834>, 0x633695 
<exec_byte_code+17836>,
           0x633695 <exec_byte_code+17836>, 0x6336ff 
<exec_byte_code+17942>,
           0x633773 <exec_byte_code+18058>, 0x62f608 <exec_byte_code+1311>,
           0x62f60a <exec_byte_code+1313>, 0x62f60c <exec_byte_code+1315>,
           0x62f60e <exec_byte_code+1317>, 0x62f610 <exec_byte_code+1319>,
---Type <return> to continue, or q <return> to quit---

...

By the way, is there an easier way to compile without optimizations than 
assigning CFLAGS before running configure? I couldn't find it.