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authorRichard Guenther <rguenther@suse.de>2010-07-13 13:31:26 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2010-07-13 13:31:26 +0000
commit85e5e340bed7df53a521af7e578d7faf830f40c1 (patch)
treeed9dc46c16075b18652f3ffbe697319ba7351e9b
parent6368f1660455952e8892338b517407bc1c70503e (diff)
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re PR c++/36960 (Reference variable in virtually inherited base corrupted under optimization)
2010-07-13 Richard Guenther <rguenther@suse.de> PR tree-optimization/36960 * g++.dg/torture/pr36960.C: New testcase. From-SVN: r162141
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/torture/pr36960.C22
2 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 186a4c6..fe67559 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/36960
+ * g++.dg/torture/pr36960.C: New testcase.
+
2010-07-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/44908
diff --git a/gcc/testsuite/g++.dg/torture/pr36960.C b/gcc/testsuite/g++.dg/torture/pr36960.C
new file mode 100644
index 0000000..280a675
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr36960.C
@@ -0,0 +1,22 @@
+// { dg-do run }
+
+struct Lower {
+ const int& ref;
+ Lower(const int& ref) : ref(ref) { }
+};
+struct Middle : public virtual Lower {
+ Middle(const int& ref) : Lower(ref) { }
+};
+struct Upper : public Middle {
+ Upper(const int& ref) : Lower(ref), Middle(ref) { }
+ int get() { return ref; }
+};
+extern "C" void abort (void);
+int main()
+{
+ int i = 0;
+ Upper upper(i);
+ if (upper.get() != 0)
+ abort ();
+ return 0;
+}