PR c++/88830 - ICE with abstract class.

	* decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
	Fix formatting.

	* g++.dg/other/abstract7.C: New test.

From-SVN: r267924

gcc/cp/ChangeLog

+2019-01-14  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/88830 - ICE with abstract class.
+	* decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
+	Fix formatting.
+
 2019-01-14  Tom Honermann  <tom@honermann.net>
 
 	Implement P0482R5, char8_t: A type for UTF-8 characters and strings

gcc/cp/decl2.c

@@ -2229,8 +2229,9 @@ maybe_emit_vtables (tree ctype)
      never get generated.  */
   if (CLASSTYPE_PURE_VIRTUALS (ctype)
       && TYPE_HAS_NONTRIVIAL_DESTRUCTOR (ctype)
-      && DECL_DEFAULTED_IN_CLASS_P(CLASSTYPE_DESTRUCTOR(ctype)))
-    note_vague_linkage_fn (CLASSTYPE_DESTRUCTOR(ctype));
+      && !CLASSTYPE_LAZY_DESTRUCTOR (ctype)
+      && DECL_DEFAULTED_IN_CLASS_P (CLASSTYPE_DESTRUCTOR (ctype)))
+    note_vague_linkage_fn (CLASSTYPE_DESTRUCTOR (ctype));
 
   /* Since we're writing out the vtable here, also write the debug
      info.  */

gcc/testsuite/ChangeLog

+2019-01-14  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/88830 - ICE with abstract class.
+	* g++.dg/other/abstract7.C: New test.
+
 2019-01-14  Martin Sebor  <msebor@redhat.com>
 
 	PR target/88638

gcc/testsuite/g++.dg/other/abstract7.C

+// PR c++/88830
+
+struct a {
+  ~a();
+};
+class b {
+  virtual void c(int &);
+};
+class C : b {
+  void c(int &);
+  virtual int d() = 0;
+  a e;
+};
+void C::c(int &) {}