[dmd 2.066-b1] DList. Cannot remove from an un-initialized List

NCrashed via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Tue Jul 8 06:09:46 PDT 2014


On Tuesday, 8 July 2014 at 13:06:34 UTC, NCrashed wrote:
> This was working under 2.065:
> ```
> import std.container;
>
> void main()
> {
> 	DList!int list;
> 	list.clear();
> }
> ```
>
> Run-time assertion:
> ```
> core.exception.AssertError@/usr/include/dmd/phobos/std/container/dlist.d(480): 
> Cannot remove from an un-initialized List
> ----------------
> /home/ncrashed/dev/d/dmd-test/dmd-test(pure nothrow @nogc @safe 
> std.container.dlist.DList!(int).DList.Range 
> std.container.dlist.DList!(int).DList.remove(std.container.dlist.DList!(int).DList.Range)+0x90) 
> [0x441830]
> /home/ncrashed/dev/d/dmd-test/dmd-test(pure nothrow @nogc @safe 
> void std.container.dlist.DList!(int).DList.clear()+0x65) 
> [0x4410dd]
> /home/ncrashed/dev/d/dmd-test/dmd-test(_Dmain+0x1a) [0x43df3a]
> /home/ncrashed/dev/d/dmd-test/dmd-test(_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv+0x28) 
> [0x44aeac]
> /home/ncrashed/dev/d/dmd-test/dmd-test(void 
> rt.dmain2._d_run_main(int, char**, extern (C) int 
> function(char[][])*).tryExec(scope void delegate())+0x2d) 
> [0x44adf1]
> /home/ncrashed/dev/d/dmd-test/dmd-test(void 
> rt.dmain2._d_run_main(int, char**, extern (C) int 
> function(char[][])*).runAll()+0x2d) [0x44ae51]
> /home/ncrashed/dev/d/dmd-test/dmd-test(void 
> rt.dmain2._d_run_main(int, char**, extern (C) int 
> function(char[][])*).tryExec(scope void delegate())+0x2d) 
> [0x44adf1]
> /home/ncrashed/dev/d/dmd-test/dmd-test(_d_run_main+0x192) 
> [0x44ad66]
> /home/ncrashed/dev/d/dmd-test/dmd-test(main+0x25) [0x448355]
> /lib64/libc.so.6(__libc_start_main+0xf5) [0x39e9021d65]
>
> ```
>
> Does DList requires any explicit initialization now or it is a 
> regression?

And some addition:
```
import std.container;

void main()
{
	DList!int list;
	list.insert = 42;
	list.clear(); list.clear();
}
```

Output:
```
core.exception.AssertError@/usr/include/dmd/phobos/std/container/dlist.d(481): 
Remove: Range is empty
----------------
/home/ncrashed/dev/d/dmd-test/dmd-test(pure nothrow @nogc @safe 
std.container.dlist.DList!(int).DList.Range 
std.container.dlist.DList!(int).DList.remove(std.container.dlist.DList!(int).DList.Range)+0xcc) 
[0x4419b4]
/home/ncrashed/dev/d/dmd-test/dmd-test(pure nothrow @nogc @safe 
void std.container.dlist.DList!(int).DList.clear()+0x65) 
[0x441225]
/home/ncrashed/dev/d/dmd-test/dmd-test(_Dmain+0x31) [0x43e081]
/home/ncrashed/dev/d/dmd-test/dmd-test(_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv+0x28) 
[0x44b0cc]
/home/ncrashed/dev/d/dmd-test/dmd-test(void 
rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).tryExec(scope void delegate())+0x2d) 
[0x44b011]
/home/ncrashed/dev/d/dmd-test/dmd-test(void 
rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).runAll()+0x2d) [0x44b071]
/home/ncrashed/dev/d/dmd-test/dmd-test(void 
rt.dmain2._d_run_main(int, char**, extern (C) int 
function(char[][])*).tryExec(scope void delegate())+0x2d) 
[0x44b011]
/home/ncrashed/dev/d/dmd-test/dmd-test(_d_run_main+0x192) 
[0x44af86]
/home/ncrashed/dev/d/dmd-test/dmd-test(main+0x25) [0x448575]
/lib64/libc.so.6(__libc_start_main+0xf5) [0x39e9021d65]
```


More information about the Digitalmars-d-learn mailing list