From: Jason Merrill <jason@redhat.com>
Date: Fri, 3 Jun 2022 18:53:59 +0000 (-0400)
Subject: c++: more-specialized test
X-Git-Tag: basepoints/gcc-14~6220
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=891d64721626f45fb95fa47a57a3f396b80f31e9;p=thirdparty%2Fgcc.git

c++: more-specialized test

I noticed the need for this testcase while working on PR102629; since there
is no information about the target type, we don't want to choose the most
specialized overload.

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/auto56.C: New test.
---

diff --git a/gcc/testsuite/g++.dg/cpp0x/auto56.C b/gcc/testsuite/g++.dg/cpp0x/auto56.C
new file mode 100644
index 00000000000..dd55ebfb9c0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/auto56.C
@@ -0,0 +1,6 @@
+// Check that we don't prefer #2 because it's more specialized.
+// { dg-do compile { target c++11 } }
+
+template <class T> T f(T);
+template <class T> T* f(T*);
+auto p = &f<int>;		// { dg-error "" }