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authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/testsuite/g++.old-deja/g++.brendan/reference1.C
initial commit
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.brendan/reference1.C')
-rwxr-xr-xgcc/testsuite/g++.old-deja/g++.brendan/reference1.C53
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/reference1.C b/gcc/testsuite/g++.old-deja/g++.brendan/reference1.C
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--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/reference1.C
@@ -0,0 +1,53 @@
+// Special g++ Options: -w
+// GROUPS passed references
+// Check that if a reference is initialized to refer to a value
+// which is returned from a function call, the actual call to
+// the function is only invoked for the original initialization
+// of the reference, and not for each subsequent use of the
+// reference.
+//
+// This test fails with G++ 1.35.0- (pre-release).
+// Reported 4/4/89 by Kim Smith
+
+extern "C" void printf (char *, ...);
+
+struct base {
+ mutable int data_member;
+
+ base () {}
+ void function_member () const;
+};
+
+base base_object;
+
+base base_returning_function ();
+
+int call_count = 0;
+
+int main ()
+{
+ const base& base_ref = base_returning_function ();
+
+ base_ref.function_member ();
+ base_ref.function_member ();
+ base_ref.data_member = 99;
+
+ if (call_count == 1)
+ printf ("PASS\n");
+ else
+ printf ("FAIL\n");
+
+ return 0;
+}
+
+base base_returning_function ()
+{
+ base local_base_object;
+
+ call_count++;
+ return local_base_object;
+}
+
+void base::function_member () const
+{
+}