On Tue, 2 Mar 2021 at 20:19, Thomas Dineen via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Gentle People: > > I have an unusual situation! For some time now I have been > developing and application > > using C with Mingw gcc. The application performs long overnight > optimization runs, > > sometimes running several days. > > The application crashes on Win7 (Read that causes Reboot on Win7) > but runs fine on Win10! > > Windows 7 - Mingw Gcc Build - Crashes Windows7 > > Windows 10 - Mingw Gcc Build - Works Great > > Solaris - Gcc Build - Works Great > > Redhat/CentOS- Gcc Build - Works Great > > I am aware of memory consumption or leak issues, and with > significant amounts of effort have > > fixed them in the architecture. The architecture relies heavily on > linked lists and I am well aware of > > freeing or recycling unneeded lists to control memory leaks. I have > verified this with observation of the > > Resource Monitor! > > Question 1: Has anyone else seen this type of bug? > > Question 2: How do I debug this given the fact that Win 7 crashes > and takes gdb with it. Try using -fsanitize=undefined and/or -fsanitize=address on the Linux builds to check for bugs in your code. There might be bugs which are silently ignored on some systems, and causing problems on Windows 7.
