From: Jean-Paul Pelteret <jppelteret@gmail.com>
Date: Sun, 7 Apr 2019 19:47:27 +0000 (+0200)
Subject: Try to reproduce GCC tester error with ambiguous constructor
X-Git-Tag: v9.1.0-rc1~213^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d1e3d8af4c25588c430fcddfeb2608747053614;p=dealii.git

Try to reproduce GCC tester error with ambiguous constructor
---

diff --git a/tests/algorithms/general_data_storage_01.cc b/tests/algorithms/general_data_storage_01.cc
index fc421e7895..5721492f80 100644
--- a/tests/algorithms/general_data_storage_01.cc
+++ b/tests/algorithms/general_data_storage_01.cc
@@ -138,6 +138,29 @@ main()
     deallog << "Size: " << data.size() << std::endl;
   }
 
+  deallog << "Ambiguous construction" << std::endl;
+  {
+    // Pass Arguments by lvalue reference
+    {
+      const double  val_1 = 1.0;
+      const double &val_2 =
+        data.get_or_add_object_with_name<double>("value", val_1);
+    }
+
+    // Pass Arguments by rvalue reference
+    {
+      double        val_1 = 1.0;
+      const double &val_2 =
+        data.get_or_add_object_with_name<double>("value", std::move(val_1));
+    }
+
+    // Pass Arguments ambiguously
+    {
+      const double &val_2 =
+        data.get_or_add_object_with_name<double>("value", 1.0);
+    }
+  }
+
 
   deal_II_exceptions::disable_abort_on_exception();
 
diff --git a/tests/algorithms/general_data_storage_01.debug.output b/tests/algorithms/general_data_storage_01.debug.output
index 4583c5e216..0c9a8b99b9 100644
--- a/tests/algorithms/general_data_storage_01.debug.output
+++ b/tests/algorithms/general_data_storage_01.debug.output
@@ -17,6 +17,7 @@ DEAL::Data post-merge:
 DEAL::value		double
 DEAL::value_2		double
 DEAL::Size: 2
+DEAL::Ambiguous construction
 DEAL::Try to overwrite existing entry: Copy
 DEAL::
 --------------------------------------------------------
diff --git a/tests/algorithms/general_data_storage_01.debug.output.2 b/tests/algorithms/general_data_storage_01.debug.output.2
index 50b2af1bbd..f44444ad4e 100644
--- a/tests/algorithms/general_data_storage_01.debug.output.2
+++ b/tests/algorithms/general_data_storage_01.debug.output.2
@@ -17,6 +17,7 @@ DEAL::Data post-merge:
 DEAL::value		double
 DEAL::value_2		double
 DEAL::Size: 2
+DEAL::Ambiguous construction
 DEAL::Try to overwrite existing entry: Copy
 DEAL::
 --------------------------------------------------------
diff --git a/tests/algorithms/general_data_storage_01.release.output b/tests/algorithms/general_data_storage_01.release.output
index b10d09135f..9384e0f746 100644
--- a/tests/algorithms/general_data_storage_01.release.output
+++ b/tests/algorithms/general_data_storage_01.release.output
@@ -17,6 +17,7 @@ DEAL::Data post-merge:
 DEAL::value		double
 DEAL::value_2		double
 DEAL::Size: 2
+DEAL::Ambiguous construction
 DEAL::Try to overwrite existing entry: Copy
 DEAL::Try to overwrite existing entry: Reference
 DEAL::Fetch non-existing entry