re PR c++/51305 ([C++11][constexpr] noexcept-specifier overconstraints constexpr...

/cp
2011-12-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51305
	* semantics.c (massage_constexpr_body): Reorder conditionals, make
	sure a BIND_EXPR embedded in a MUST_NOT_THROW_EXPR is handled.

/testsuite
2011-12-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51305
	* g++.dg/cpp0x/constexpr-noexcept6.C: New.

From-SVN: r182594

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 9ccb801dc7b1bf67876c3fe4a4c5d35904d1122e..98a1b799842df8159bd1bc02f8e9f34b0a2b3b1a 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2011-12-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR c++/51305
+       * semantics.c (massage_constexpr_body): Reorder conditionals, make
+       sure a BIND_EXPR embedded in a MUST_NOT_THROW_EXPR is handled.
+
 2011-12-20  Paolo Carlini  <paolo.carlini@oracle.com>
 
        PR c++/51621

diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 0cb7ae860d53bd0a926ce5baaee59318bff72ad2..bad418f97ca50c9ed03e4f98d9eb255a47e039b8 100644 (file)
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -5998,12 +5998,12 @@ massage_constexpr_body (tree fun, tree body)
       (DECL_CONTEXT (fun), body);
   else
     {
-      if (TREE_CODE (body) == BIND_EXPR)
-       body = BIND_EXPR_BODY (body);
       if (TREE_CODE (body) == EH_SPEC_BLOCK)
         body = EH_SPEC_STMTS (body);
       if (TREE_CODE (body) == MUST_NOT_THROW_EXPR)
        body = TREE_OPERAND (body, 0);
+      if (TREE_CODE (body) == BIND_EXPR)
+       body = BIND_EXPR_BODY (body);
       body = constexpr_fn_retval (body);
     }
   return body;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b0e247c04139189621ec923d918981ecdf28c86c..8e43e3d3efebd862fb69c3569ea7243ceb1dd77e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-12-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR c++/51305
+       * g++.dg/cpp0x/constexpr-noexcept6.C: New.
+
 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 
        PR middle-end/51644

diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-noexcept6.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-noexcept6.C
new file mode 100644 (file)
index 0000000..91e93fd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-noexcept6.C
@@ -0,0 +1,10 @@
+// PR c++/51305
+// { dg-options -std=c++0x }
+
+constexpr bool ok() noexcept
+{
+  typedef int type;
+  return true;
+}
+
+constexpr auto x = ok();