From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Wed, 4 Oct 2017 08:34:40 +0000 (+0000)
Subject: re PR c++/78816 ([c++14] Static auto variable usage in generic/variadic lambda fails... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8bca3f592cd3eca48afd88939160b2ebae8e47e5;p=gcc.git

re PR c++/78816 ([c++14] Static auto variable usage in generic/variadic lambda fails to compile)

2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/78816
	* g++.dg/cpp1y/lambda-generic-variadic6.C: New.

From-SVN: r253397
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 816646517ac..192fac794c8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/78816
+	* g++.dg/cpp1y/lambda-generic-variadic6.C: New.
+
 2017-10-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/82374
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic6.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic6.C
new file mode 100644
index 00000000000..d6672a4f086
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic6.C
@@ -0,0 +1,19 @@
+// PR c++/78816
+// { dg-do compile { target c++14 } }
+
+void f(void (*f1)(int)) {
+  f1(42);
+}
+
+template <typename Lambda>
+static auto callback(Lambda &&l)
+{
+  static auto* p = &l;
+  p = &l;
+  return [](auto... x){ return (*p)(x...); };
+}
+
+int main() {
+  int x = 5;
+  f(callback([=](int y){}));
+}