The attached tarball (1441419786.tar.gz) gives the testcase as an exact match of our system, including some handy utilities

$ vi 1441419786_mybase     # STEP1: Update the base path in this file (usually the only change required!). If you use a non-binary distribution, please update SOURCE_DIR location also
$ ./1441419786_init        # STEP2: Initializes the data dir
$ ./1441419786_start       # STEP3: Starts mysqld
$ ./1441419786_cl          # STEP4: To check mysqld is up
$ ./1441419786_run_pquery  # STEP5: Run the testcase with the pquery binary
$ ./1441419786_run         # OPTIONAL: Run the testcase with the mysql CLI (may not reproduce the issue, as the pquery binary was used for the original testcase reduction)
$ vi /dev/shm/1441419786/error.log.out  # STEP6: Verify the error log
$ ./1441419786_gdb         # OPTIONAL: Brings you to a gdb prompt with gdb attached to the used mysqld and attached to the generated core
$ ./1441419786_parse_core  # STEP7: Create 1441419786_STD.gdb and 1441419786_FULL.gdb; standard and full variables gdb stack traces
