re PR debug/88046 (ICE in add_data_member_location_attribute at…

re PR debug/88046 (ICE in add_data_member_location_attribute at gcc/dwarf2out.c:19237 since r261885)

2019-01-15  Richard Biener  <rguenther@suse.de>

	PR debug/88046
	* dwarf2out.c (gen_member_die): Do not generate inheritance
	DIEs late.

	* g++.dg/lto/pr88046_0.C: New testcase.

From-SVN: r267940

gcc/ChangeLog

 2019-01-15  Richard Biener  <rguenther@suse.de>
 
+	PR debug/88046
+	* dwarf2out.c (gen_member_die): Do not generate inheritance
+	DIEs late.
+
+2019-01-15  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/88855
 	* tree-if-conv.c (combine_blocks): Collect
 	SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.

gcc/dwarf2out.c

@@ -25046,7 +25046,7 @@ gen_member_die (tree type, dw_die_ref context_die)
      the TREE node representing the appropriate (containing) type.  */
 
   /* First output info about the base classes.  */
-  if (binfo)
+  if (binfo && early_dwarf)
     {
       vec<tree, va_gc> *accesses = BINFO_BASE_ACCESSES (binfo);
       int i;

gcc/testsuite/ChangeLog

 2019-01-15  Richard Biener  <rguenther@suse.de>
 
+	PR debug/88046
+	* g++.dg/lto/pr88046_0.C: New testcase.
+
+2019-01-15  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/88855
 	* gcc.dg/pr88855.c: New testcase.
 

gcc/testsuite/g++.dg/lto/pr88046_0.C

+// { dg-lto-do link }
+// { dg-lto-options { { -O2 -fPIC -flto } } }
+// { dg-extra-ld-options "-shared -g" }
+
+class a {};
+class b : virtual a {
+public:
+    void operator<<(bool);
+};
+void c() try {
+    b d;
+    d << "";
+} catch (int) {
+}