[cfe-commits] r157784 - in /cfe/trunk: lib/Sema/SemaExprMember.cpp test/SemaCXX/anonymous-union-cxx11.cpp

[Aaron Ballman]

Author: aaronballman
Date: Thu May 31 19:02:08 2012
New Revision: 157784

URL: http://llvm.org/viewvc/llvm-project?rev=157784&view=rev
Log:
Anonymous union members within a struct are now properly handled as an unevaluated field in C++11 mode.  This fixes PR12866.

Added:
    cfe/trunk/test/SemaCXX/anonymous-union-cxx11.cpp
Modified:
    cfe/trunk/lib/Sema/SemaExprMember.cpp

Modified: cfe/trunk/lib/Sema/SemaExprMember.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprMember.cpp?rev=157784&r1=157783&r2=157784&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaExprMember.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprMember.cpp Thu May 31 19:02:08 2012
@@ -115,7 +115,7 @@
     NamedDecl *D = *I;
 
     if (D->isCXXInstanceMember()) {
-      if (dyn_cast<FieldDecl>(D))
+      if (dyn_cast<FieldDecl>(D) || dyn_cast<IndirectFieldDecl>(D))
         isField = true;
 
       CXXRecordDecl *R = cast<CXXRecordDecl>(D->getDeclContext());

Added: cfe/trunk/test/SemaCXX/anonymous-union-cxx11.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/anonymous-union-cxx11.cpp?rev=157784&view=auto
==============================================================================
--- cfe/trunk/test/SemaCXX/anonymous-union-cxx11.cpp (added)
+++ cfe/trunk/test/SemaCXX/anonymous-union-cxx11.cpp Thu May 31 19:02:08 2012
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s
+
+namespace PR12866 {
+  struct bar {
+    union {
+      int member;
+    };
+  };
+
+  void foo( void ) {
+    (void)sizeof(bar::member);
+  }
+}