From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Thu, 3 Aug 2017 09:26:17 +0000 (+0000)
Subject: re PR c++/71440 (ICE on invalid C++ code in instantiate_type, at cp/class.c:8247)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e5e691a53fe4d2fd6e437d754fae75c4804c0256;p=gcc.git

re PR c++/71440 (ICE on invalid C++ code in instantiate_type, at cp/class.c:8247)

/cp
2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71440
	* typeck.c (build_x_unary_op): Avoid pretty-printing constructor /
	destructor as expressions.

/testsuite
2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71440
	* g++.dg/template/crash127.C: New.

From-SVN: r250848
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 8be42940bd8..041c6c44bbe 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/71440
+	* typeck.c (build_x_unary_op): Avoid pretty-printing constructor /
+	destructor as expressions.
+
 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/81640
diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index 3dc64045e1a..a58de1d6206 100644
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -5487,9 +5487,9 @@ build_x_unary_op (location_t loc, enum tree_code code, cp_expr xarg,
 	    {
 	      if (complain & tf_error)
 		error (DECL_CONSTRUCTOR_P (fn)
-		       ? G_("taking address of constructor %qE")
-		       : G_("taking address of destructor %qE"),
-		       xarg.get_value ());
+		       ? G_("taking address of constructor %qD")
+		       : G_("taking address of destructor %qD"),
+		       fn);
 	      return error_mark_node;
 	    }
 	}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a8077a53341..58e1b87c6dc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/71440
+	* g++.dg/template/crash127.C: New.
+
 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/81052
diff --git a/gcc/testsuite/g++.dg/template/crash127.C b/gcc/testsuite/g++.dg/template/crash127.C
new file mode 100644
index 00000000000..b7c03251f8c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/crash127.C
@@ -0,0 +1,22 @@
+// PR c++/71440
+
+struct A 
+{
+  void f () {}
+};
+
+typedef void (A::*Ptr) ();
+
+template < Ptr > struct B {};
+
+template < class T > 
+struct C : public A
+{
+  void bar ()
+  {
+    B < &A::A > b;  // { dg-error "taking address of constructor 'A::A" "" { target c++98_only } }
+    // { dg-error "taking address of constructor 'constexpr A::A" "" { target c++11 } .-1 }
+  }
+};
+
+template class C < int >;