On Mon, Oct 31, 2011 at 2:16 PM, Eli Friedman <[email protected]> wrote: > On Sun, Oct 30, 2011 at 10:11 PM, Richard Smith > <[email protected]> wrote: >> Author: rsmith >> Date: Mon Oct 31 00:11:32 2011 >> New Revision: 143334 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=143334&view=rev >> Log: >> C++11 generalized constant expressions: evaluate equality comparisons between >> arbitrary pointers, if those pointers don't point to weak objects or >> literals. > > This patch causes constructs like the following to be constant-folded: > > extern char a[]; > bool b = (void *) a == (void *) 0x4000UL; > > We don't really want to be doing that.
I fixed this myself in r143374; please review. -Eli _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
