Compiling

bool foo() {
  int x;
  for (;;) {
    if (x == 0)
      return true;
    x = 1;
  }
  return false;
}

int main() {
  foo();
  return 0;
}

[locks]$ dmd -g test.d
Internal error: ../ztc/elfobj.c 1251

A related issue reported by Jan Bendtsen on the main newsgroup had a workaround so I'll probably be able to work around it but currently it means the Locks library doesn't compile. Glancing over the code it uses early returns pretty often so hopefully the workaround will be small.

-Ben

I should say it only happens on linux (hence the elf, I suppose). Windows
compiles Locks just fine.

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Added to DStress as http://svn.kuehne.cn/dstress/run/bug_elfobj_1251_A.d http://svn.kuehne.cn/dstress/run/bug_elfobj_1251_B.d

Thomas

Ben Hinkle schrieb am Wed, 08 Dec 2004 19:35:43 -0500:
> Compiling
>
> bool foo() {
>   int x;
>   for (;;) {
>     if (x == 0)
>       return true;
>     x = 1;
>   }
>   return false;
> }
>
> int main() {
>   foo();
>   return 0;
> }
>
> [locks]$ dmd -g test.d
> Internal error: ../ztc/elfobj.c 1251

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Thomas Kuehne schrieb am Thu, 9 Dec 2004 04:30:47 +0100:
> Ben Hinkle schrieb am Wed, 08 Dec 2004 19:35:43 -0500:
>> bool foo() {
>>   int x;
>>   for (;;) {
>>     if (x == 0)
>>       return true;
>>     x = 1;
>>   }
>>   return false;
>> }
>>
>> int main() {
>>   foo();
>>   return 0;
>> }
>>
>> [locks]$ dmd -g test.d
>> Internal error: ../ztc/elfobj.c 1251

It's a regression between dmd-0.102 and dmd-0.104.

Thomas


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