+2013-04-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/56729
+ * df-scan.c (df_insn_delete): Disable failing assert.
+
2013-04-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm-protos.h (arm_builtin_vectorized_function):
In any case, we expect BB to be non-NULL at least up to register
allocation, so disallow a non-NULL BB up to there. Not perfect
but better than nothing... */
-
+ /* ??? bb can also be NULL if lower-subreg.c:resolve_simple_mov emits
+ an insn into a sequence and then does delete_insn on it. Not sure
+ if that makes sense, but for now it means this assert cannot work.
+ See PR56738.
+ Disable for now but revisit before the end of GCC 4.9 stage1. */
+#if 0
gcc_checking_assert (bb != NULL || reload_completed);
+#else
+ if (bb == NULL)
+ return;
+#endif
df_grow_bb_info (df_scan);
df_grow_reg_info ();