re PR c++/84606 (internal compiler error: Segmentation fault (enclosing_instantiation_of()))

2018-03-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/84606
	* g++.dg/cpp0x/pr84606.C: New.

From-SVN: r258947

gcc/testsuite/ChangeLog

-2018-03-20  Carl Love  <cel@us.ibm.com>
+2018-03-29  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/84606
+	* g++.dg/cpp0x/pr84606.C: New.
+
+2018-03-29  Carl Love  <cel@us.ibm.com>
 
 	Revert
 	2017-09-27  Carl Love  <cel@us.ibm.com>

gcc/testsuite/g++.dg/cpp0x/pr84606.C

+// { dg-do compile { target c++11 } }
+
+template<typename>
+struct s {
+  struct {
+    void __attribute__((common([] { struct d }))) g();  // { dg-error "expected|attribute" }
+  } f;
+};
+
+s<int> a {};