From: Jason Merrill <jason@redhat.com>
Date: Thu, 26 Apr 2018 20:32:32 +0000 (-0400)
Subject: PR c++/85545 - ICE with noexcept PMF conversion.
X-Git-Tag: upstream/12.2.0~32159
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=128d29a52fcd9097c1e809c675dadd108f8dd604;p=platform%2Fupstream%2Fgcc.git

PR c++/85545 - ICE with noexcept PMF conversion.

	* cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.

From-SVN: r259689
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 0378706..491853e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2018-04-26  Jason Merrill  <jason@redhat.com>
+
+	PR c++/85545 - ICE with noexcept PMF conversion.
+	* cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
+
 2018-04-25  Nathan Sidwell  <nathan@acm.org>
 
 	PR c++/85437
diff --git a/gcc/cp/cvt.c b/gcc/cp/cvt.c
index 9b53fa3..a3735a1 100644
--- a/gcc/cp/cvt.c
+++ b/gcc/cp/cvt.c
@@ -601,7 +601,9 @@ cp_fold_convert (tree type, tree expr)
   tree conv;
   if (TREE_TYPE (expr) == type)
     conv = expr;
-  else if (TREE_CODE (expr) == PTRMEM_CST)
+  else if (TREE_CODE (expr) == PTRMEM_CST
+	   || (TREE_CODE (expr) == CONSTRUCTOR
+	       && TYPE_PTRMEMFUNC_P (type)))
     {
       /* Avoid wrapping a PTRMEM_CST in NOP_EXPR.  */
       conv = copy_node (expr);
diff --git a/gcc/testsuite/g++.dg/cpp1z/noexcept-type20.C b/gcc/testsuite/g++.dg/cpp1z/noexcept-type20.C
new file mode 100644
index 0000000..a6033f7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/noexcept-type20.C
@@ -0,0 +1,14 @@
+// PR c++/85545
+// { dg-do compile { target c++11 } }
+
+struct A
+{
+  void foo() noexcept;
+};
+
+template<typename T> void bar(T);
+
+void baz()
+{
+  bar(static_cast<void(A::*)()>(&A::foo));
+}