Hi!
This PR got fixed in r244833, but as the testcase isn't a 7.x
regression, but existed for years, I think it is worth to check
in this testcase too. Tested on x86_64-linux, committed to trunk
as obvious.
2017-02-10 Jakub Jelinek <ja...@redhat.com>
PR c++/79457
* g++.dg/cpp0x/pr79457.C: New test.
--- gcc/testsuite/g++.dg/cpp0x/pr79457.C.jj 2017-02-10 21:55:22.606388165
+0100
+++ gcc/testsuite/g++.dg/cpp0x/pr79457.C 2017-02-10 21:50:54.000000000
+0100
@@ -0,0 +1,24 @@
+// PR c++/79457
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+class Foo
+{
+private:
+ T& goo;
+ template <typename R>
+ using S = decltype (goo[R ()]);
+
+public:
+ Foo (T& goo) : goo {goo} {}
+
+ template <typename R>
+ S<R> boo () {}
+};
+
+int
+main ()
+{
+ int bar[] = {1, 2, 3};
+ Foo<decltype (bar)> foo {bar};
+}
Jakub
