[Issue 5215] Crash with empty program

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https://issues.dlang.org/show_bug.cgi?id=5215

--- Comment #8 from Mathias LANG  ---
*** Issue 12340 has been marked as a duplicate of this issue. ***

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[Issue 5215] Crash with empty program

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https://issues.dlang.org/show_bug.cgi?id=5215

Mathias LANG  changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 CC||pro.mathias.l...@gmail.com
 Resolution|--- |MOVED

--- Comment #7 from Mathias LANG  ---
Transferred the issue to OPTLINK Github repository:
https://github.com/DigitalMars/optlink/issues/24

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[Issue 5215] Crash with empty program

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https://issues.dlang.org/show_bug.cgi?id=5215

Walter Bright  changed:

   What|Removed |Added

   Hardware|Other   |x86

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[Issue 5215] Crash with empty program

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https://issues.dlang.org/show_bug.cgi?id=5215

Walter Bright  changed:

   What|Removed |Added

   Keywords||Optlink

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[Issue 5215] Crash with empty program

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https://issues.dlang.org/show_bug.cgi?id=5215

Andrei Alexandrescu and...@erdani.com changed:

   What|Removed |Added

  Component|Optlink |tools

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[Issue 5215] Crash with empty program

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=5215


Walter Bright bugzi...@digitalmars.com changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||bugzi...@digitalmars.com
 Resolution||WONTFIX


--- Comment #3 from Walter Bright bugzi...@digitalmars.com 2012-01-20 
02:12:34 PST ---
The linker is supposed to create an exe file, even if there are errors. This is
handy for some special purposes.

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Brad Roberts bra...@puremagic.com changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 CC||bra...@puremagic.com
 Resolution|WONTFIX |


--- Comment #4 from Brad Roberts bra...@puremagic.com 2012-01-20 10:19:27 PST 
---
What circumstances?  I don't have a lot of experience with windows, but
binutils ld doesn't leave broken turds when linking fails like that.  I can see
having a linker option to force it to leave the output alone on error, but not
having that as the default behavior.  Would you treat dmd leaving a .obj file
around if there are syntax errors in the .d being built?

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Andrej Mitrovic andrej.mitrov...@gmail.com changed:

   What|Removed |Added

 CC||andrej.mitrov...@gmail.com


--- Comment #5 from Andrej Mitrovic andrej.mitrov...@gmail.com 2012-01-20 
10:31:54 PST ---
Optlink has a /DELEXECUTABLE flag for deleting the exe if there are linker
errors, but it doesn't work (I assume because optlink creates warnings instead
of errors for OPs code).

Additionally optlink creates executables even if you don't pass anything to it,
e.g.:

$ link.exe
creates .exe

The linker gives you warnings and creates a `.exe` file. Pretty stupid behavior
if you ask me. Every modern console app would display a list of arguments you
can pass to it, or a sane warning instead of OPTLINK : Warning 134: No Start
Address when you didn't pass a single file to it.

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--- Comment #6 from Walter Bright bugzi...@digitalmars.com 2012-01-20 
12:47:06 PST ---
The special purposes are when parts of your program are missing, but you want
to link and run the rest of it.

I'm not sure why /delexecutable is not working, though.

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Don clugd...@yahoo.com.au changed:

   What|Removed |Added

 CC||clugd...@yahoo.com.au


--- Comment #1 from Don clugd...@yahoo.com.au 2010-11-13 18:01:25 PST ---
(In reply to comment #0)
 This simple wrong D2 program generates expected linker errors and then an
 unexpected crash on Windows:

 void main();

What do you mean, 'unexpected'? It complains that there's no main(). Passing an
empty file does exactly the same thing.
(The annoying thing is that it makes an exe anyway, even though the exe is
corrupt).

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--- Comment #2 from bearophile_h...@eml.cc 2010-11-13 18:46:45 PST ---
(In reply to comment #1)

 What do you mean, 'unexpected'? It complains that there's no main(). Passing 
 an
 empty file does exactly the same thing.
 (The annoying thing is that it makes an exe anyway, even though the exe is
 corrupt).

You are right, sorry. The crash is not caused by the compiler/linker, but by
the corrupt exe.

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