https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66420
--- Comment #4 from David Binderman <dcb314 at hotmail dot com> --- Still wrong in gcc trunk 20160115 ==3767== Conditional jump or move depends on uninitialised value(s) ==3767== at 0x8FD097: improve_allocation() (ira-color.c:2774) ==3767== by 0x901F2D: color_allocnos (ira-color.c:3104) ==3767== by 0x901F2D: color_pass(ira_loop_tree_node*) (ira-color.c:3213) ==3767== by 0x8E0A78: ira_traverse_loop_tree(bool, ira_loop_tree_node*, void (*)(ira_loop_tree_node*), void (*)(ira_loop_tree_node*)) (ira-build.c:1780)
