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c++ - Internal error: cod2 4221

↑ ↓ ← Brian Gardner <briangr friberg.us> writes:
I got this error when I tried to compile C file (~81Kb) with the -o 
flag. Without the flag it compiles fine. This wasn't a problem for some 
earlier DMC versions (v8.40 I think). Aside from this the compilation 
time was more than 30s in the earlier versions.

DMC v8.46.5n

Brian

PS. I can't send the source code.
Feb 14 2006
→ Brian Gardner <briangr friberg.us> writes:
In addition:
With -o-liv flag instead of -o it compiles fine, although the 
compilation time is ~67s (on my PC).
With -o-liv-loop the compilation time is ~1s.

Brian
Feb 14 2006
"Walter Bright" <newshound digitalmars.com> writes:
"Brian Gardner" <briangr friberg.us> wrote in message 
news:dssq97$1obn$1 digitaldaemon.com...
I got this error when I tried to compile C file (~81Kb) with the -o flag. 
Without the flag it compiles fine. This wasn't a problem for some earlier 
DMC versions (v8.40 I think). Aside from this the compilation time was more 
than 30s in the earlier versions.

 DMC v8.46.5n

 Brian

 PS. I can't send the source code.

There's really not much I can do without an example that can be traced through the optimizer to see where it is going wrong. Try cutting the source file down to a smaller one, nearly all bugs can be reduced to just a few lines of code.
Feb 15 2006
↑ ↓ Brian Gardner <briangr friberg.us> writes:
Walter Bright wrote:
 "Brian Gardner" <briangr friberg.us> wrote in message 
 news:dssq97$1obn$1 digitaldaemon.com...
 I got this error when I tried to compile C file (~81Kb) with the -o flag. 
 Without the flag it compiles fine. This wasn't a problem for some earlier 
 DMC versions (v8.40 I think). Aside from this the compilation time was more 
 than 30s in the earlier versions.

 DMC v8.46.5n

 Brian

 PS. I can't send the source code.

There's really not much I can do without an example that can be traced through the optimizer to see where it is going wrong. Try cutting the source file down to a smaller one, nearly all bugs can be reduced to just a few lines of code.

I canít trace the bug by this way. I stripped the source file to about 2900 lines. If I comment one more line (no matter where) it compiles (almost always) fine. Brian
Feb 15 2006
↑ ↓ Arjan <arjan ask.me> writes:
Brian Gardner wrote:
 Walter Bright wrote:
 
 "Brian Gardner" <briangr friberg.us> wrote in message 
 news:dssq97$1obn$1 digitaldaemon.com...

 I got this error when I tried to compile C file (~81Kb) with the -o 
 flag. Without the flag it compiles fine. This wasn't a problem for 
 some earlier DMC versions (v8.40 I think). Aside from this the 
 compilation time was more than 30s in the earlier versions.

 DMC v8.46.5n

 Brian

 PS. I can't send the source code.

There's really not much I can do without an example that can be traced through the optimizer to see where it is going wrong. Try cutting the source file down to a smaller one, nearly all bugs can be reduced to just a few lines of code.

I canít trace the bug by this way. I stripped the source file to about 2900 lines. If I comment one more line (no matter where) it compiles (almost always) fine. Brian

I can confirm this. Even removing comments may do the trick! Really! I have a test case from about 5000 lines. Arjan
Feb 15 2006
↑ ↓ → "Walter Bright" <newshound digitalmars.com> writes:
"Arjan" <arjan ask.me> wrote in message 
news:dt0avl$1vip$1 digitaldaemon.com...
 Brian Gardner wrote:
 I canít trace the bug by this way. I stripped the source file to about 
 2900 lines. If I comment one more line (no matter where) it compiles 
 (almost always) fine.

 Brian

I can confirm this. Even removing comments may do the trick! Really! I have a test case from about 5000 lines.

Then send me that (hopefully, the shorter one <g>).
Feb 16 2006
"Walter Bright" <newshound digitalmars.com> writes:
"Brian Gardner" <briangr friberg.us> wrote in message 
news:dssq97$1obn$1 digitaldaemon.com...
I got this error when I tried to compile C file (~81Kb) with the -o flag. 
Without the flag it compiles fine. This wasn't a problem for some earlier 
DMC versions (v8.40 I think). Aside from this the compilation time was more 
than 30s in the earlier versions.

 DMC v8.46.5n

 Brian

 PS. I can't send the source code.

Fortunately, Stefano was able to send source code that reproduced the problem, and the fix is now up in the beta section.
Feb 20 2006
↑ ↓ → Arjan <arjan ask.me> writes:
Walter Bright wrote:
 "Brian Gardner" <briangr friberg.us> wrote in message 
 news:dssq97$1obn$1 digitaldaemon.com...
 
I got this error when I tried to compile C file (~81Kb) with the -o flag. 
Without the flag it compiles fine. This wasn't a problem for some earlier 
DMC versions (v8.40 I think). Aside from this the compilation time was more 
than 30s in the earlier versions.

DMC v8.46.5n

Brian

PS. I can't send the source code.

Fortunately, Stefano was able to send source code that reproduced the problem, and the fix is now up in the beta section.

Whow that is quick! Thank a lot! It started to show up frequently. Arjan
Feb 20 2006