Rohit Arul Raj <rohitarulraj@xxxxxxxxx> writes: > On Thu, May 24, 2012 at 3:40 AM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: >> Rohit Arul Raj <rohitarulraj@xxxxxxxxx> writes: >> >>> Looking at the debug info and the generated assembly, the values of >>> variables 'f1' and 'd1' are stored in the same register. >>> Due to this, while debugging, after setting the break point at (A) >>> [line no 8], if we print the value of 'f1' i get the wrong value. >> >> >>> Q: Is this the side effect of using 'register' keyword? If 'f1' is >>> getting optimized out, shouldn't we get that info while debugging? >> >> This question as stated is not really appropriate for the mailing list >> gcc@xxxxxxxxxxx, which is for the development of GCC itself. This >> question would be appropriate for gcc-help@xxxxxxxxxxx. Please take any >> followups to gcc-help. Thanks. >> >> This has nothing to do with using the register keyword. >> >> Yes, you should ideally be told when a value is unavailable. This >> specific area of GCC has been much improved since GCC 4.5.2. >> > > Thanks Ian. > I tried with gcc v4.6.3 and get the same behavior. > Should this be considered as a bug with debug info generation then? Yes. Ian