[Bug middle-end/107498] Wrong optimization leads to unaligned access when compiling OpenLDAP

[glaubitz at physik dot fu-berlin.de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107498

--- Comment #7 from John Paul Adrian Glaubitz <glaubitz at physik dot 
fu-berlin.de> ---
Created attachment 53818
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53818&action=edit
Pre-processed source of unmodified mdb.c (gzip-compressed)

Here's the preprocessed source for mdb.c without marking the variables as
volatile.