Hi,
In my app running on snow leopard, in a particular situation I'm getting an
undesired behavior.
Debugging a "for loop" shows a still in scope variable being optimized away.
code: (problem occurs after the loop has been iterated thousands (may be more)
of time.
for loop statement here()
{
NSDate *currentDate = [NSDate date];// ok value here
NSTimeInterval interval = [currentDate
timeIntervalSinceDate:startDate];// ok value here
NSTimeInterval etaDouble = interval * ((totalBlocks - blockCount) /
blockCount); // * debugger doesn't list this variable, mouse shows a pop
up saying "variable optimized away by compiler"
int eta = (int)etaDouble; // value is 0 here instead of something
int seconds = eta % 60; // value is 0 here instead of something
int minutes = (eta / 60) % 60; // value is 0 here instead of something
int hours = ((eta / 60) / 60) % 24; // value is 0 here instead of
something
int days = ((eta / 60) / 60) / 24; // value is 0 here instead of
something
}
Why the certain variables are not listed in debugger window (only in GC-only
projects)?
Why is etaDouble is being optimized away?
Any suggestions?
Wishes,
Nick
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