[Bug 38304] Genesis Rising crashes when loading a saved game

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=38304

--- Comment #7 from Béla Gyebrószki <gyebro69 at gmail.com> ---
It seems the bug occurs with certain compiler optimization levels.
I used to compile Wine with '-O2 -g -gdwarf-2' and this was the commit that
broke the game with -O2. 
Now I compiled Wine with different optimization levels:
-O2: crashes
-O1: crashes
-O0: works
-Og: works

On Fedora the default optimization level is -O2:
$ rpm --eval %optflags
-O2 -g -march=i386 -mtune=i686

Currently I have GCC 5.1.1 installed, but it was GCC 4.9.x when I opened this
bug report.

$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i686-redhat-linux/5.1.1/lto-wrapper
Target: i686-redhat-linux
Configured with: ../configure --enable-bootstrap
--enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared
--enable-threads=posix --enable-checking=release --enable-multilib
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array
--disable-libgcj --with-default-libstdcxx-abi=c++98 --with-isl --enable-libmpx
--enable-gnu-indirect-function --with-tune=generic --with-arch=i686
--build=i686-redhat-linux
Thread model: posix
gcc version 5.1.1 20150612 (Red Hat 5.1.1-3) (GCC)

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