On 1/23/2013 8:06 AM, Jacob Carlborg wrote:
On 2013-01-23 08:50, Walter Bright wrote:

If your program has undefined behavior in it, the -O flag can definitely
cause that behavior to change.

Yes, I guess that is to be expected. I'm mostly talking about correct code here.

-O can especially expose code bugs like referencing an out-of-scope stack frame.

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