PR tree-optimization/65747

	* ipa-icf-gimple.c (func_checker::compare_operand): Use compare_operand
	rather than compare_ssa_name for OBJ_TYPE_REF_OBJECT.

	* g++.dg/torture/pr65747.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222024 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 97a1500b4f30345da5abbe5b79fddb919212b3fe..1443d20e57463c133245b324d7f64c64a0cd83f3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-04-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/65747
+       * ipa-icf-gimple.c (func_checker::compare_operand): Use compare_operand
+       rather than compare_ssa_name for OBJ_TYPE_REF_OBJECT.
+
 2015-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
 
        * doc/invoke.texi (-Wmemset-transposed-args): Break a long

diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c
index 568407da2fdc218b9d553214c90db720836dd89b..09adce3d3ec02f62608672feee0498740e253a5a 100644 (file)
--- a/gcc/ipa-icf-gimple.c
+++ b/gcc/ipa-icf-gimple.c
@@ -521,8 +521,8 @@ func_checker::compare_operand (tree t1, tree t2)
            if (!types_same_for_odr (obj_type_ref_class (t1),
                                     obj_type_ref_class (t2)))
              return return_false_with_msg ("OBJ_TYPE_REF OTR type mismatch");
-           if (!compare_ssa_name (OBJ_TYPE_REF_OBJECT (t1),
-                                  OBJ_TYPE_REF_OBJECT (t2)))
+           if (!compare_operand (OBJ_TYPE_REF_OBJECT (t1),
+                                 OBJ_TYPE_REF_OBJECT (t2)))
              return return_false_with_msg ("OBJ_TYPE_REF object mismatch");
          }
 

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ea6b3a487fe39875cc0b6cb3672f948081ee02fd..062512f017e9dcd43afc07d15e264a9ceb3eb56a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-04-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/65747
+       * g++.dg/torture/pr65747.C: New test.
+
 2015-04-12  Jakub Jelinek  <jakub@redhat.com>
 
        PR c++/65736

diff --git a/gcc/testsuite/g++.dg/torture/pr65747.C b/gcc/testsuite/g++.dg/torture/pr65747.C
new file mode 100644 (file)
index 0000000..a556db5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr65747.C
@@ -0,0 +1,48 @@
+// PR tree-optimization/65747
+// { dg-do compile }
+
+struct A {};
+struct E {
+  virtual A m2();
+} *a;
+struct B {
+  char b[sizeof (E)];
+  void m1();
+};
+struct C {
+  B c;
+  void m3() { c.m1(); }
+  friend class D;
+};
+struct D {
+  int m4(C);
+  void m5();
+  void m6(int, C);
+  void m7(int, C);
+  void m8();
+  bool m9();
+  void m10(int);
+  void m11(int);
+};
+void B::m1() { a = (E *)b; a->m2(); }
+void D::m10(int) { m8(); }
+void D::m11(int) { m8(); }
+int D::m4(C p1) { p1.m3(); return 0; }
+void D::m6(int, C p2) {
+  int b = 0;
+  if (m9()) {
+    m4(p2);
+    m10(b);
+  } else
+    m5();
+  m10(int());
+}
+void D::m7(int, C p2) {
+  int c = 0;
+  if (m9()) {
+    m4(p2);
+    m11(c);
+  } else
+    m5();
+  m11(int());
+}