Re: Mingw gcc 4.4.0 64bit garbage collector bug?

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John Fine wrote:
I'm using a Mingw build of gcc 4.4.0 in Windows XP64 to compile a very large .cpp file (193KB main file plus many headers).

cc1plus.exe exits with return code 128 with no error message and without creating any output files.

I checked the behavior with procmon (from sysinternals) and I see that it stopped reading include files at a very unlikely spot and then did a large amount of processing and many changes in its virtual memory size before exiting (with no further I/O).

This seems to me like it implies a failure in cc1plus's internal garbage collector.

The system has 16GB of ram. The cc1plus process hit a top memory use of 128MB. So it shouldn't have failed due to lack of memory.

I know this request for help is rather lame at this point: I'm not giving you a way to reproduce the problem. I'm not the person who installed Mingw on this system, so (at the moment) I don't have any details of where this exact version of gcc came from nor how it was installed.

But have you heard of any gcc/Mingw garbage collect bugs? And/or do these symptoms sound like something else to you? Can you think of any short cuts to investigating or solving the problem?

I don't want to go through a detailed investigation to nail all this down if someone else has already found the answer and I just needed to ask.

Mingw is not one of the environments I normally use, so I know nothing about what debugging tools might be practical in this environment.




Are you using mingw-w64.sf.net or mingw.sf.net?

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