Remove assertion in get_info_about_necessary_edges

2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93166
        * ipa-cp.c (get_info_about_necessary_edges): Remove value
        check assertion.

        PR ipa/93166
        * g++.dg/pr93166.C: New test.

4 files changed, 219 insertions, 3 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f19fc4..e35efd6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>
+
+	PR ipa/93166
+	* ipa-cp.c (get_info_about_necessary_edges): Remove value
+	check assertion.
+
 2020-01-24  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/92788
diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index 17da1d8..e762abb 100644
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -4175,9 +4175,6 @@ get_info_about_necessary_edges (ipcp_value<valtype> *val, cgraph_node *dest,
 	      hot |= cs->maybe_hot_p ();
 	      if (cs->caller != dest)
 		non_self_recursive = true;
-	      else if (src->val)
-		gcc_assert (values_equal_for_ipcp_p (src->val->value,
-						     val->value));
 	    }
 	  cs = get_next_cgraph_edge_clone (cs);
 	}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ecf0a66..6795839 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>
+
+	PR ipa/93166
+	* g++.dg/pr93166.C: New test.
+
 2020-01-25  Andrew Pinski <apinski@marvell.com>
 
 	* gcc.target/aarch64/vec_zeroextend.c: Fix for big-endian.
diff --git a/gcc/testsuite/g++.dg/pr93166.C b/gcc/testsuite/g++.dg/pr93166.C
new file mode 100644
index 0000000..e9234ce
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr93166.C
@@ -0,0 +1,208 @@
+// { dg-do compile }
+// { dg-options "-shared -flto -O2 -fPIC -fvisibility=hidden" }
+
+namespace Qt {
+enum DropAction {};
+}
+class QObject;
+struct QMetaObject {
+  static void activate(const QMetaObject *, void *);
+  enum Call {};
+  struct {
+    const QMetaObject *superdata;
+    int *stringdata;
+    unsigned *data;
+    typedef void (*StaticMetacallFunction)(QObject *, Call, int, void **);
+    StaticMetacallFunction static_metacallrelatedMetaObjectsextradata;
+  } d;
+};
+class QString;
+struct QListData {
+  struct Data;
+  Data *d;
+};
+template <typename> class QList {
+  union {
+    QListData p;
+    QListData::Data *d;
+  };
+
+public:
+  ~QList();
+};
+class QStringList : QList<QString> {};
+template <typename> struct QScopedPointerDeleter;
+class QObjectData;
+template <typename, typename = QScopedPointerDeleter<QObjectData>>
+class QScopedPointer {
+public:
+  ~QScopedPointer();
+  QObjectData *d;
+};
+
+template <typename> struct FunctionPointer;
+template <class Obj, typename Ret, typename... Args>
+struct FunctionPointer<Ret (Obj::*)(Args...)> {
+  typedef Obj Object;
+};
+
+class QObject {
+public:
+  virtual ~QObject();
+  virtual void disconnectNotify();
+  template <typename Func1, typename Func2>
+  void connect(typename FunctionPointer<Func1>::Object *, Func1,
+               typename FunctionPointer<Func2>::Object *, Func2);
+  QScopedPointer<QObjectData> d_ptr;
+};
+class QPaintDevicePrivate;
+class QPaintDevice {
+public:
+  virtual ~QPaintDevice();
+  unsigned short painters;
+  QPaintDevicePrivate *reserved;
+};
+class QWidgetData;
+class QWidget : public QObject, QPaintDevice {
+  QWidgetData *data;
+};
+class QFrame : public QWidget {};
+class QMenu;
+class QMimeData;
+class QAbstractScrollArea : public QFrame {};
+class QAbstractItemView : public QAbstractScrollArea {};
+class QTreeView : public QAbstractItemView {};
+class QTreeWidgetItem;
+class QTreeWidget : public QTreeView {};
+class QSignalMapper;
+class KActionCollection;
+class MenuFile;
+class MenuFolderInfo;
+class MenuEntryInfo;
+class MenuSeparatorInfo;
+class TreeView : QTreeWidget {
+public:
+  static const QMetaObject d;
+  static void qt_static_metacall(QObject *, QMetaObject::Call, int, void **);
+  void disableAction();
+  bool dropMimeData(QTreeWidgetItem *, int, const QMimeData *, Qt::DropAction);
+  KActionCollection *m_ac;
+  QMenu *m_popupMenu;
+  int m_clipboard;
+  MenuFolderInfo *m_clipboardFolderInfo;
+  MenuEntryInfo *m_clipboardEntryInfo;
+  bool m_showHidden;
+  MenuFile *m_menuFile;
+  MenuFolderInfo *m_rootFolder;
+  MenuSeparatorInfo *m_separator;
+  QStringList m_newMenuIds;
+  QStringList m_newDirectoryList;
+  bool m_layoutDirty;
+  bool m_detailedMenuEntries;
+  bool m_detailedEntriesNamesFirst;
+  QStringList m_dropMimeTypes;
+  QSignalMapper *m_sortSignalMapper;
+};
+struct {
+  int data[];
+} b;
+unsigned c[]{};
+void TreeView::qt_static_metacall(QObject *p1, QMetaObject::Call, int,
+                                  void **p4) {
+  static_cast<TreeView *>(p1)->dropMimeData(
+      0, 0, 0, *reinterpret_cast<Qt::DropAction *>(p4));
+}
+const QMetaObject TreeView::d{&d, b.data, c, qt_static_metacall};
+void TreeView::disableAction() { QMetaObject::activate(&d, nullptr); }
+template <typename> struct QScopedPointerDeleter;
+class KXMLGUIClientPrivate;
+class KXMLGUIClient {
+public:
+  virtual void m_fn2();
+  KXMLGUIClient();
+  virtual ~KXMLGUIClient();
+  KXMLGUIClientPrivate *const d;
+};
+class KXMLGUIBuilderPrivate;
+class KXMLGUIBuilder {
+public:
+  virtual ~KXMLGUIBuilder();
+  virtual QStringList customTags();
+  KXMLGUIBuilderPrivate *const d;
+};
+
+class QMainWindow : public QWidget {};
+class KMainWindowPrivate;
+class KMainWindow : public QMainWindow {
+  KMainWindowPrivate *const k_ptr;
+};
+class KXmlGuiWindow : public KMainWindow,
+                      KXMLGUIBuilder,
+                      virtual KXMLGUIClient {
+public:
+  KXmlGuiWindow();
+};
+class QSplitter;
+class QAction;
+class BasicTab;
+class TreeView;
+class KTreeWidgetSearchLine;
+class KMenuEdit : public KXmlGuiWindow {
+public:
+  KMenuEdit();
+  TreeView *m_tree;
+  BasicTab *m_basicTab;
+  QSplitter *m_splitter;
+  KTreeWidgetSearchLine *m_searchLine;
+  QAction *m_actionDelete;
+  bool m_showHidden;
+};
+int __attribute__((visibility("default"))) fn1() { new KMenuEdit; return 0; }
+template <class> struct QTypedArrayData;
+class QString {
+public:
+  ~QString();
+  QTypedArrayData<unsigned short> *d;
+};
+class MenuEntryInfo;
+class MenuInfo {
+public:
+  virtual ~MenuInfo();
+};
+class MenuFolderInfo : MenuInfo {
+public:
+  void updateFullId(const QString &);
+  QString id;
+  QString fullId;
+  QString caption;
+  QString genericname;
+  QString comment;
+  QString directoryFile;
+  QString icon;
+  QList<MenuFolderInfo *> subFolders;
+  QList<MenuEntryInfo *> entries;
+  QList<MenuInfo *> initialLayout;
+  bool dirty;
+  bool hidden;
+};
+void MenuFolderInfo::updateFullId(const QString &) {
+  for (MenuFolderInfo *a = 0;;)
+    a->updateFullId(fullId);
+}
+
+MenuFolderInfo *a1, *b1;
+bool TreeView::dropMimeData(QTreeWidgetItem *, int, const QMimeData *,
+                            Qt::DropAction) {
+  b1->updateFullId(a1->fullId);
+  return true;
+}
+
+class BasicTab {
+public:
+  void slotDisableAction();
+};
+
+KMenuEdit::KMenuEdit() {
+  connect(m_tree, &TreeView::disableAction, m_basicTab,
+          &BasicTab::slotDisableAction);
+}