From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Tue, 21 Nov 2017 15:36:25 +0000 (+0000)
Subject: re PR c++/83020 (('17) Class template constructor call skipped with no error when... 
X-Git-Tag: basepoints/gcc-9~3163
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00709c08e81cf0c191e1bd5cd791cd09f26cf61c;p=thirdparty%2Fgcc.git

re PR c++/83020 (('17) Class template constructor call skipped with no error when substitution fails in default argument)

2017-11-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/83020
	* g++.dg/cpp1z/pr83020.C: New.

From-SVN: r255006
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b508745c5ad6..8a376ff17028 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/83020
+	* g++.dg/cpp1z/pr83020.C: New.
+
 2017-11-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/82880
diff --git a/gcc/testsuite/g++.dg/cpp1z/pr83020.C b/gcc/testsuite/g++.dg/cpp1z/pr83020.C
new file mode 100644
index 000000000000..43a7e382d39a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/pr83020.C
@@ -0,0 +1,16 @@
+// PR c++/83020
+// { dg-options -std=c++17 }
+
+struct NoDefault {
+    int val = 1234;
+    NoDefault(int v) : val(v) {}
+};
+template <class T>
+struct Whoops {
+    const char *str;
+    T obj;
+    Whoops(const char *s, T v = T()) : str(s), obj(v) {}  // { dg-error "no matching" }
+};
+const char *test() {
+    return Whoops<NoDefault>("hi").str;
+}