V panic: malloc(<=0) when vweb/vweb_example.v

[marlock9]

V version: V 0.1.23 9e11de4
OS: Linux fedora-desktop 5.3.16-300.fc31.x86_64 #1 SMP Fri Dec 13 17:59:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

What did you do?
../v run vweb/vweb_example.v

What did you expect to see?
Running web server

What did you see instead?

../v -g run vweb/vweb_example.v
C compiler=cc
compiling tmpl index.html
Running a Vweb app on http://localhost:8082 ...
net.listen(8082)
listen res = 0
================ V panic ================
   module: builtin
 function: malloc()
     file: /home/marlock/v/vlib/builtin/builtin.v
     line: 108
  message: malloc(<=0)
=========================================
/home/marlock/v/vlib/builtin/builtin.v:70:     |       0x40b2e1 | ./vweb/vweb_example(panic_debug+0x123) 
/home/marlock/v/vlib/builtin/builtin.v:109:    |       0x40b4f9 | ./vweb/vweb_example(v_malloc+0x8e) 
/home/marlock/v/vlib/builtin/map.v:50:         |       0x40cf69 | ./vweb/vweb_example(new_node+0x57) 
/home/marlock/v/vlib/builtin/map.v:121:        |       0x40d341 | ./vweb/vweb_example(map_set+0x52) 
/home/marlock/v/vlib/vweb/vweb.v:323:          |       0x422c7e | ./vweb/vweb_example(vweb__Context_scan_static_directory+0x444) 
/home/marlock/v/vlib/vweb/vweb.v:333:          |       0x422e21 | ./vweb/vweb_example(vweb__Context_handle_static+0x7b) 
/home/marlock/v/examples/vweb/vweb_example.v:24: |       0x4230f7 | ./vweb/vweb_example(App_init+0x2e) 
/home/marlock/v/examples/vweb/vweb_example.v:131: |       0x423e90 | ./vweb/vweb_example(vweb__run_T_App+0x131) 
/home/marlock/v/examples/vweb/vweb_example.v:20: |       0x4230c6 | ./vweb/vweb_example(main__main+0x36) 
/tmp/v/vweb_example.tmp.c:20573:               |       0x423a9e | ./vweb/vweb_example(main+0x59) 
                                               | 0x7fa135b511a3 | /lib64/libc.so.6(__libc_start_main+0xf3) 
                                               |       0x40961e | ./vweb/vweb_example(_start+0x2e) 

[Delta456]

Does #3137 works for you?

[marlock9]

@Delta456 yup, that works.

[medvednikov]

fixed