profile-count.c (profile_count::combine_with_ipa_count): Return uninitialized…

profile-count.c (profile_count::combine_with_ipa_count): Return uninitialized count if called on ininitialized count.

	* profile-count.c (profile_count::combine_with_ipa_count): Return
	uninitialized count if called on ininitialized count.

From-SVN: r278815

gcc/ChangeLog

 2019-11-28  Jan Hubicka  <hubicka@ucw.cz>
 
+	* profile-count.c (profile_count::combine_with_ipa_count): Return
+	uninitialized count if called on ininitialized count.
+
+2019-11-28  Jan Hubicka  <hubicka@ucw.cz>
+
 	* ipa-inline-transform.c (inline_transform): Scale profile before
 	redirecting.
 

gcc/profile-count.c

@@ -373,6 +373,8 @@ profile_count::adjust_for_ipa_scaling (profile_count *num,
 profile_count
 profile_count::combine_with_ipa_count (profile_count ipa)
 {
+  if (!initialized_p ())
+    return *this;
   ipa = ipa.ipa ();
   if (ipa.nonzero_p ())
     return ipa;