1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C
new file mode 100644
index 0000000..2c6b0f2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C
@@ -0,0 +1,15 @@
+// { dg-do run { target c++11 } }
+#include <cassert>
+
+int main() {
+  int i = 1;
+  const char* s1 = "hello";
+  const char* s2 = s1;
+  [i, s2] () mutable -> void { i = 2; s2 = "world"; } ();
+  //[i, s2] () -> void { i = 2; s2 = "world"; } (); // { dg-error: "assignment of data-member in read-only structure" }
+  assert(i == 1);
+  assert(s1 == s2);
+
+  return 0;
+}
+