[Bug middle-end/49671] [4.6/4.7 Regression] volatile goes missing after inlining

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49671

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-08 
10:30:32 UTC ---
Doesn't the outermost component also need TREE_THIS_VOLATILE?  So I suppose
sink the

  TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);

from the else branch as well.