1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg.C
new file mode 100644
index 0000000..88970a9
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg.C
@@ -0,0 +1,22 @@
+// Testcase for DR 975.
+
+// { dg-do compile { target c++11 } }
+
+bool b;
+struct A { int fn1(); const int& fn2(); };
+struct B { int fn1(); long fn2(); };
+
+template <class T> int f (T t) {
+  return [](T t){
+    if (b)
+      return t.fn1();
+    else
+      return t.fn2();		// { dg-error "inconsistent types" }
+  }(t);
+}
+
+int main()
+{
+  f(A());			// { dg-bogus "" } int and const int& are compatible
+  f(B());			// { dg-message "from here" } int and long are not
+}