Correct a function pre/postcondition [PR102403].

[thirdparty/gcc.git] / gcc / ipa-ref.c

diff --git a/gcc/ipa-ref.c b/gcc/ipa-ref.c
index 139733182a15dfc948a984b8008fc909094bb419..0493acfd7c9c7442a49887568c21a90e74f23d14 100644 (file)
--- a/gcc/ipa-ref.c
+++ b/gcc/ipa-ref.c
@@ -1,5 +1,5 @@
 /* Interprocedural reference lists.
-   Copyright (C) 2010-2015 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
    Contributed by Jan Hubicka
 
 This file is part of GCC.
@@ -21,22 +21,9 @@ along with GCC; see the file COPYING3.  If not see
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
-#include "input.h"
-#include "alias.h"
-#include "symtab.h"
-#include "options.h"
-#include "tree.h"
-#include "fold-const.h"
 #include "target.h"
-#include "is-a.h"
-#include "plugin-api.h"
-#include "tm.h"
-#include "hard-reg-set.h"
-#include "input.h"
-#include "function.h"
-#include "ipa-ref.h"
+#include "tree.h"
 #include "cgraph.h"
-#include "ipa-utils.h"
 
 /* Remove reference.  */
 
@@ -45,7 +32,6 @@ ipa_ref::remove_reference ()
 {
   struct ipa_ref_list *list = referred_ref_list ();
   struct ipa_ref_list *list2 = referring_ref_list ();
-  vec<ipa_ref_t, va_gc> *old_references = list2->references;
   struct ipa_ref *last;
 
   gcc_assert (list->referring[referred_index] == this);
@@ -79,7 +65,7 @@ ipa_ref::remove_reference ()
     }
   list->referring.pop ();
 
-  last = &list2->references->last ();
+  last = &list2->references.last ();
 
   struct ipa_ref *ref = this;
 
@@ -88,8 +74,7 @@ ipa_ref::remove_reference ()
       *ref = *last;
       ref->referred_ref_list ()->referring[referred_index] = ref;
     }
-  list2->references->pop ();
-  gcc_assert (list2->references == old_references);
+  list2->references.pop ();
 }
 
 /* Return true when execution of reference can lead to return from