[PATCH] Sema: Implement DR244

[David Majnemer]

Add a missing expected-no-diagnostics annotation.

http://reviews.llvm.org/D3583

Files:
  lib/Sema/SemaExprCXX.cpp
  test/CXX/basic/basic.lookup/basic.lookup.qual/p6.cpp
  test/CXX/drs/dr2xx.cpp
  www/cxx_dr_status.html

Index: lib/Sema/SemaExprCXX.cpp
===================================================================
--- lib/Sema/SemaExprCXX.cpp
+++ lib/Sema/SemaExprCXX.cpp
@@ -144,8 +144,10 @@
       AlreadySearched = true;
       LookupCtx = DC;
       isDependent = false;
-    } else if (DC && isa<CXXRecordDecl>(DC))
+    } else if (DC && isa<CXXRecordDecl>(DC)) {
       LookAtPrefix = false;
+      LookInScope = true;
+    }
 
     // The second case from the C++03 rules quoted further above.
     NestedNameSpecifier *Prefix = 0;
@@ -163,8 +165,6 @@
       LookupCtx = computeDeclContext(SS, EnteringContext);
       isDependent = LookupCtx && LookupCtx->isDependentContext();
     }
-
-    LookInScope = false;
   } else if (ObjectTypePtr) {
     // C++ [basic.lookup.classref]p3:
     //   If the unqualified-id is ~type-name, the type-name is looked up
Index: test/CXX/basic/basic.lookup/basic.lookup.qual/p6.cpp
===================================================================
--- test/CXX/basic/basic.lookup/basic.lookup.qual/p6.cpp
+++ test/CXX/basic/basic.lookup/basic.lookup.qual/p6.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
+// expected-no-diagnostics
 
 struct C { 
   typedef int I;
@@ -20,5 +21,5 @@
 typedef A AB; 
 int main() {
   AB *p; 
-  p->AB::~AB(); // expected-error{{expected the class name after '~' to name a destructor}}
+  p->AB::~AB();
 }
Index: test/CXX/drs/dr2xx.cpp
===================================================================
--- test/CXX/drs/dr2xx.cpp
+++ test/CXX/drs/dr2xx.cpp
@@ -466,7 +466,7 @@
   A a2 = b; // expected-error {{ambiguous}}
 }
 
-namespace dr244 { // dr244: no
+namespace dr244 { // dr244: 3.5
   struct B {}; struct D : B {}; // expected-note {{here}}
 
   D D_object;
@@ -480,7 +480,7 @@
     B_ptr->~B_alias();
     B_ptr->B_alias::~B();
     // This is valid under DR244.
-    B_ptr->B_alias::~B_alias(); // FIXME: expected-error {{expected the class name after '~' to name a destructor}}
+    B_ptr->B_alias::~B_alias();
     B_ptr->dr244::~B(); // expected-error {{refers to a member in namespace}}
     B_ptr->dr244::~B_alias(); // expected-error {{refers to a member in namespace}}
   }
@@ -1013,7 +1013,6 @@
 
   B::B() {} // expected-error {{requires a type specifier}}
   B::A() {} // ok
-  C::~C() {} // expected-error {{expected the class name}}
   C::~A() {} // ok
 
   typedef struct D E; // expected-note {{here}}
Index: www/cxx_dr_status.html
===================================================================
--- www/cxx_dr_status.html
+++ www/cxx_dr_status.html
@@ -1504,7 +1504,7 @@
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#244">244</a></td>
     <td>CD1</td>
     <td>Destructor lookup</td>
-    <td class="none" align="center">No</td>
+    <td class="svn" align="center">SVN</td>
   </tr>
   <tr id="245">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#245">245</a></td>
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