re PR c++/78283 (-Wc++1z-compat warning is sticky)

	PR c++/78283
	* mangle.c (start_mangling): Reset G.need_cxx1z_warning.

	* g++.dg/cpp1z/noexcept-type13.C: New test.

From-SVN: r242026

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 2e3b15d..49561fc 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c++/78283
+       * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
+
 2016-11-09  Jason Merrill  <jason@redhat.com>
 
        * parser.c (cp_parser_simple_type_specifier): Allow placeholder

diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index a354ec5..2dcec3b 100644 (file)
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -3649,6 +3649,7 @@ start_mangling (const tree entity)
 {
   G.entity = entity;
   G.need_abi_warning = false;
+  G.need_cxx1z_warning = false;
   obstack_free (&name_obstack, name_base);
   mangle_obstack = &name_obstack;
   name_base = obstack_alloc (&name_obstack, 0);

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0418e76..43bbdf9 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c++/78283
+       * g++.dg/cpp1z/noexcept-type13.C: New test.
+
 2016-11-09  Toma Tabacu  <toma.tabacu@imgtec.com>
 
        * gcc.target/mips/mips.exp (mips-dg-options): Upgrade to MIPS IV if

diff --git a/gcc/testsuite/g++.dg/cpp1z/noexcept-type13.C b/gcc/testsuite/g++.dg/cpp1z/noexcept-type13.C
new file mode 100644 (file)
index 0000000..8eb3be0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/noexcept-type13.C
@@ -0,0 +1,14 @@
+// PR c++/78283
+// { dg-do compile }
+// { dg-options "-Wall" }
+
+void foo () throw () {}                // { dg-bogus "mangled name" }
+
+template <class T>
+T bar (T x) { return x; }      // { dg-warning "mangled name" "" { target c++14_down } }
+
+void baz () {                  // { dg-bogus "mangled name" }
+  return (bar (foo)) ();
+}
+
+void decl () {}                        // { dg-bogus "mangled name" }