https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67587
--- Comment #13 from Segher Boessenkool <segher at gcc dot gnu.org> --- Author: segher Date: Wed Sep 16 15:02:32 2015 New Revision: 227827 URL: https://gcc.gnu.org/viewcvs?rev=227827&root=gcc&view=rev Log: shrink-wrap: Fix up partitions (PR67587) With the new shrink-wrap algorithm, blocks reachable both with and without prologue are duplicated, and their incoming edges are then distributed accordingly. So we need to call fixup_partitions. 2015-09-16 Segher Boessenkool <seg...@kernel.crashing.org> PR bootstrap/67587 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call fixup_partitions. Modified: trunk/gcc/ChangeLog trunk/gcc/function.c