From e0bb3f1897b641029c143f56d5bb05ab3e248307 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 15 Dec 2011 18:27:08 +0100
Subject: [PATCH] re PR tree-optimization/51117 (rev.181172 causes glibc build
 failure)

	PR tree-optimization/51117
	* g++.dg/opt/pr51117.C: New test.

From-SVN: r182379
---
 gcc/testsuite/ChangeLog            |  5 ++++
 gcc/testsuite/g++.dg/opt/pr51117.C | 37 ++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/opt/pr51117.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 14d888a8580..392aa37fa69 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/51117
+	* g++.dg/opt/pr51117.C: New test.
+
 2011-12-15  Romain Geissler  <romain.geissler@gmail.com>
 
 	* gcc.c-torture/execute/builtins/chk.h (stpncpy, stpncpy_disallowed):
diff --git a/gcc/testsuite/g++.dg/opt/pr51117.C b/gcc/testsuite/g++.dg/opt/pr51117.C
new file mode 100644
index 00000000000..b5fec03c3f8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr51117.C
@@ -0,0 +1,37 @@
+// PR tree-optimization/51117
+// { dg-do compile }
+// { dg-options "-O2 -fexceptions" }
+
+struct A { char buf[64]; };
+void bar (A *);
+
+int
+foo ()
+{
+  A c;
+  bar (&c);
+  try
+  {
+    {
+      A a;
+      bar (&a);
+      if (a.buf[13])
+        throw 1;
+      else if (a.buf[52])
+        throw 3;
+    }
+    {
+      A b;
+      bar (&b);
+      if (b.buf[13])
+        throw 2;
+    }
+  }
+  catch ( ...)
+  {
+    return 1;
+  }
+  return 0;
+}
+
+// { dg-final { scan-assembler-not "__cxa_rethrow" } }
-- 
2.30.2