re PR c++/91222 (507.cactuBSSN_r build fails in warn_types_mismatch at ipa-devirt...

	PR lto/91222
	* ipa-devirt.c (warn_types_mismatch): Do not ICE when anonymous type
	is matched with non-C++ type
	* g++.dg/lto/odr-6_0.C: New testcase.
	* g++.dg/lto/odr-6_1.c: New testcase.

From-SVN: r276420

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 08951d94f50681cd6721f87f8930a3e08df61cf6..be785258579adfca6e9b9155ba1aace5a9d11239 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-10-01  Jan Hubicka  <hubicka@ucw.cz>
+
+       PR lto/91222
+       * ipa-devirt.c (warn_types_mismatch): Do not ICE when anonymous type
+       is matched with non-C++ type
+
 2019-10-01  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 
        * tree-if-conv.c (tree_if_conversion): Move call to ifcvt_local_dce

diff --git a/gcc/ipa-devirt.c b/gcc/ipa-devirt.c
index e5028bc6150f59e159a32af2323f34fc7e3ed36a..3423c4052dbe8dd47869fe7b9294e53cb3a927a5 100644 (file)
--- a/gcc/ipa-devirt.c
+++ b/gcc/ipa-devirt.c
@@ -992,14 +992,14 @@ warn_types_mismatch (tree t1, tree t2, location_t loc1, location_t loc2)
          std::swap (t1, t2);
          std::swap (loc_t1, loc_t2);
        }
-      gcc_assert (TYPE_NAME (t1) && TYPE_NAME (t2)
-                 && TREE_CODE (TYPE_NAME (t1)) == TYPE_DECL
-                 && TREE_CODE (TYPE_NAME (t2)) == TYPE_DECL);
+      gcc_assert (TYPE_NAME (t1)
+                 && TREE_CODE (TYPE_NAME (t1)) == TYPE_DECL);
       tree n1 = TYPE_NAME (t1);
-      tree n2 = TYPE_NAME (t2);
+      tree n2 = TYPE_NAME (t2) ? TYPE_NAME (t2) : NULL;
+
       if (TREE_CODE (n1) == TYPE_DECL)
        n1 = DECL_NAME (n1);
-      if (TREE_CODE (n2) == TYPE_DECL)
+      if (n2 && TREE_CODE (n2) == TYPE_DECL)
        n2 = DECL_NAME (n2);
       /* Most of the time, the type names will match, do not be unnecesarily
          verbose.  */

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 797c50fefc21d8923ced64cff9966fdcfd6d3b40..ac73d3e34c7108f9b5023e4465a5a69a554726f9 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-01  Jan Hubicka  <hubicka@ucw.cz>
+
+       * g++.dg/lto/odr-6_0.C: New testcase.
+       * g++.dg/lto/odr-6_1.c: New testcase.
+
 2019-10-01  Jan Hubicka  <hubicka@ucw.cz>
 
        * gcc.dg/tree-ssa/ssa-thread-12.c: Fix warning introduced by my

diff --git a/gcc/testsuite/g++.dg/lto/odr-6_0.C b/gcc/testsuite/g++.dg/lto/odr-6_0.C
new file mode 100644 (file)
index 0000000..a03483f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/odr-6_0.C
@@ -0,0 +1,8 @@
+// { dg-lto-do link }
+extern "C" {
+struct {  // { dg-lto-message "" 2 }
+} admbaserest_;
+}
+int main()
+{
+}

diff --git a/gcc/testsuite/g++.dg/lto/odr-6_1.c b/gcc/testsuite/g++.dg/lto/odr-6_1.c
new file mode 100644 (file)
index 0000000..ee4bff4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/odr-6_1.c
@@ -0,0 +1,4 @@
+struct {} admbaserest_; // { dg-lto-message "type of " 2 }
+
+
+