PR c++/82882 - ICE with lambda in template default argument.

	* lambda.c (record_null_lambda_scope): New.
	* pt.c (tsubst_lambda_expr): Use it.
	* name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
	function that isn't open.

From-SVN: r261654

1 files changed, 24 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg8.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg8.C
new file mode 100644
index 0000000..cf842ad
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg8.C
@@ -0,0 +1,24 @@
+// PR c++/82282
+// { dg-do compile { target c++14 } }
+
+template<typename = int>
+void f(const char* a =
+       ([](int = []{ static int i; return 42; }()) {
+	  static int i;
+	  return "";
+	}()));
+
+template<typename = int>
+struct X {
+  void f(const char* a =
+	 ([](int = [] { static int i; return 42; }()) { 
+	    enum { Size = 42 - 1 };
+	    return "";
+	  }()));
+};
+
+void g()
+{
+  f();
+  X<int>().f();
+}