[Bug rtl-optimization/48389] [4.5/4.6/4.7 Regression] ICE: in make_edges, at cfgbuild.c:319 with -mtune=pentiumpro

[law at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48389

--- Comment #1 from Jeffrey A. Law <law at redhat dot com> 2011-04-06 16:54:41 UTC ---
Elimination of a PHI caused a loop to be inserted on an edge.  The edge
insertions were committed after calling rebuild_jump_labels resulting in a null
JUMP_LABEL for the loop branch which later triggered the abort.