Ever ran into a situation where you saw “some important variable you really needed to know about=<optimized out>” while debugging?
How to obtain the “LES” (Last Executed Statement) from an Optimized Core Dump?
Stack trace for x86_64 boxes
We are going to release several patches which are not included in official MySQL releases. First one is automatically stack trace for x86_64 systems. Currently MySQL resolves stack in crash only for x86 boxes. You can download patch for 5.0.22 source tree here. How to use: place stack64.diff into main source dir; execute patch -p1 [...]

