Hello,
I discovered what seems to be a bug in G++ 4.4 (that was not there in
prior versions and seems already fixed in 4.5) and am wondering if
there's some information available what exactly the problematic cases
are, so that I know which places in my code to verify/adapt.
It was a "caching" problem when -O2 was enabled and an enum variable was
checked and increased in a loop and then finally checked again, all in
some very near code-lines. The final check did get an old "cached" value
of the variable, while the code below that worked with the actual value.
When I changed the declaration of the variable from my enum type to
"volatile" or to "int", then it worked. The question is if the following
is probably illegal C++-code, although I don't think so?
myEnumType myVariable;
myVariable = myEnumType (myVariable + 2);
(I extracted that piece of code into a small test-program and that
worked, strangely.)
If someone has answers to those two questions, that'd be very nice.
Thanks so far for reading.
Cheers!
Martin
