On Tue, 18 Feb 2014, Marek Polacek wrote: > This PR is about bogus warnings on _Atomics. E.g., for _Atomic int, > the warning "right-hand operand of comma has no effect" makes no sense. One > problem was that when making COMPOUND_EXPR out of atomic variable, we create > artificial variable via create_tmp_var, but we shouldn't warn on those. So > I've set TREE_NO_WARNING on such variables. > Another issue is that we warned that a variable is unused, even when it's > actually used in __atomic_load; mark_exp_read fixed it. > > Also I noticed a typo, so fixed (s/val/old/). > > Regtested/bootstrapped on x86_64-linux, ok for 5.0? (Or 4.9 instead?)
OK for 4.9. -- Joseph S. Myers jos...@codesourcery.com
