new test for EH w/ opt on

From-SVN: r18829

gcc/testsuite/g++.old-deja/g++.brendan/eh1.C

+// Special g++ Options: -O
+// PRMS Id: 10776
+
+extern "C" void printf (char *, ...);
+
+class Foo 
+{
+  public:
+    Foo(int n) : n_(n) { }
+    int f() { return n_; }
+    
+    int badTest();
+    int goodTest();
+    
+  private:
+
+    int n_;
+};
+
+int Foo::badTest()
+{
+    try {
+	throw int(99);
+    }
+
+    catch (int &i) {
+	n_ = 16;
+    }
+
+    return n_;
+        // On the sparc, the return will use a ld [%l0],%i0 instruction.
+        // However %l0 was clobbered at the end of the catch block.  It was
+        // used to do an indirect call.
+}
+
+
+int Foo::goodTest()
+{
+    int	n;
+
+    try {
+	throw int(99);
+    }
+
+    catch (int &i) {
+	n = 16;
+    }
+
+    return n_;
+        // The return will use a ld [%l2],%i0 instruction.  Since %l2
+        // contains the "this" pointer this works.
+}
+
+int main() 
+{
+    Foo foo(5);
+    foo.goodTest();
+    foo.badTest();
+
+    // the badTest will have failed
+    printf ("PASS\n");
+}