topic Thanks for the tip. The .LIB in Intel® Fortran Compiler

debugging jumps around randomly

Brian_Murphy — Tue, 25 Aug 2015 17:11:33 GMT

When stepping through code a line at a time with F8 in the visual studio debugger, execution seems to jump around randomly. What causes this and how do I fix it?

If you compile with

TimP — Tue, 25 Aug 2015 17:42:27 GMT

If you compile with optimization such as -O1 or -O2, this is expected. The default for /debug (including VS debug builds) is -Od.

Thanks for the tip. The .LIB

Brian_Murphy — Tue, 25 Aug 2015 18:40:00 GMT

Thanks for the tip. The .LIB was being built with /O3. I changed it to /Od and now debugging works well. So now I'm back to looking for a bug. I need to start a new thread about something weird about that.