This causes bootstrap comparison failures on ia64. For example:
$ diff -u <(nm stage{2,3}-gcc/gcov.o)
--- /dev/fd/63 2017-11-12 12:12:14.174568108 +0100
+++ /dev/fd/62 2017-11-12 12:12:14.174568108 +0100
@@ -33,9 +33,9 @@
0050 s _ZL15flag_long_names
0044 s _ZL15flag_us
Hi,
this patch completes the removal of frequencies by dropping them from
callgraph edges. The callgraph node and edge counts are now just copies
of BB counts (node count is ENTRY_BLOCK_PTR count and edge count is the count
of corresponding stmt). These counts can be local and any IPA comparsions
