[Bug 48693] -O2 optimization breaks 32 bit wine 3D on 64 bit system

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https://bugs.freedesktop.org/show_bug.cgi?id=48693

--- Comment #3 from Michel Dänzer <michel@xxxxxxxxxxx> 2012-04-16 01:40:52 UTC ---
Does it work with -O2 -fno-strict-aliasing? The Mesa tree is known not to be
strict aliasing clean. If that's not it, maybe you can isolate the specific
optimization enabled by -O2 but not -O1 which triggers the crash.

I suspect this bug may be invalid anyway though: you shouldn't set CFLAGS
directly but use OPT_FLAGS and friends.

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