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Subject DO NOT REPLY [Bug 50520] Segment fault in brigade_consume
Date Sat, 25 Dec 2010 01:03:41 GMT

Joel <> changed:

           What    |Removed                     |Added
           Priority|P1                          |P3
           Severity|critical                    |normal

--- Comment #3 from Joel <> 2010-12-24 20:03:36 EST ---
I was able to work around this by:

1) Reverting to GCC 4.5.1
2) Rebuilding the entire 'webserver' toolchain (PHP, OpenSSL, HTTPD, APR,
APR-util, etc.) compiling with "-O0".

Yes, I did an experiment by changing two things, but I needed to get the server
up and running.

In a few days, I will try to build with optimizations back on and GCC 4.5.1,
meaning the only difference will be the compiler variant.

My guess is that this has uncovered an optimization bug in GCC 4.5.2.

I have no idea exactly WHERE the failure is in the compiler, so I have NO IDEA
how to report this problem. Nor do I know if the compiler is ok, and its
discovering a sloppy piece of code in the 'webserver toolchain' that was wrong,
but wasn't creating an 'evident' problem before.

I just know that as more people move to GCC 4.5.2, they will hit this.

How to best report this to the GCC folks? Help on how to proceed, please! :D

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