[Bug tree-optimization/43529] G++ doesn't optimize away empty loop when index is a double

[changpeng dot fang at amd dot com]

------- Comment #2 from changpeng dot fang at amd dot com  2010-06-04 23:15 
-------
Interesting! What's the difference between 17 and 18?
------------
int main()
{
  double i;
  for(i=0; i<18; i+=1); /* gcc -O3, empty loop not removed */
}
----------------
int main()
{
  double i;
  for(i=0; i<17; i+=1); /* gcc -O3, empty loop removed */
}


-- 

changpeng dot fang at amd dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |changpeng dot fang at amd
                   |                            |dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43529