Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):

http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974

1 files changed, 25 insertions, 9 deletions

diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp
index 8f445e2..a7fd471 100644
--- a/lib/Sema/SemaExprMember.cpp
+++ b/lib/Sema/SemaExprMember.cpp
@@ -13,6 +13,7 @@
 #include "clang/Sema/SemaInternal.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/Scope.h"
+#include "clang/Sema/ScopeInfo.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/DeclTemplate.h"
@@ -353,7 +354,7 @@ CheckExtVectorComponent(Sema &S, QualType baseType, ExprValueKind &VK,
   // Now look up the TypeDefDecl from the vector type. Without this,
   // diagostics look bad. We want extended vector types to appear built-in.
   for (Sema::ExtVectorDeclsType::iterator 
-         I = S.ExtVectorDecls.begin(S.ExternalSource),
+         I = S.ExtVectorDecls.begin(S.getExternalSource()),
          E = S.ExtVectorDecls.end(); 
        I != E; ++I) {
     if ((*I)->getUnderlyingType() == VT)
@@ -605,7 +606,8 @@ LookupMemberExprInRecord(Sema &SemaRef, LookupResult &R,
     R.addDecl(ND);
     SemaRef.Diag(R.getNameLoc(), diag::err_no_member_suggest)
       << Name << DC << CorrectedQuotedStr << SS.getRange()
-      << FixItHint::CreateReplacement(R.getNameLoc(), CorrectedStr);
+      << FixItHint::CreateReplacement(Corrected.getCorrectionRange(),
+                                      CorrectedStr);
     SemaRef.Diag(ND->getLocation(), diag::note_previous_decl)
       << ND->getDeclName();
   }
@@ -656,7 +658,7 @@ Sema::BuildMemberReferenceExpr(Expr *Base, QualType BaseType,
     }
 
     if (Result.get())
-      return move(Result);
+      return Result;
 
     // LookupMemberExpr can modify Base, and thus change BaseType
     BaseType = Base->getType();
@@ -1021,7 +1023,7 @@ static bool ShouldTryAgainWithRedefinitionType(Sema &S, ExprResult &base) {
   // Do the substitution as long as the redefinition type isn't just a
   // possibly-qualified pointer to builtin-id or builtin-Class again.
   opty = redef->getAs<ObjCObjectPointerType>();
-  if (opty && !opty->getObjectType()->getInterface() != 0)
+  if (opty && !opty->getObjectType()->getInterface())
     return false;
 
   base = S.ImpCastExprToType(base.take(), redef, CK_BitCast);
@@ -1272,9 +1274,23 @@ Sema::LookupMemberExpr(LookupResult &R, ExprResult &BaseExpr,
       if (warn)
         Diag(MemberLoc, diag::warn_direct_ivar_access) << IV->getDeclName();
     }
-    return Owned(new (Context) ObjCIvarRefExpr(IV, IV->getType(),
-                                               MemberLoc, BaseExpr.take(),
-                                               IsArrow));
+
+    ObjCIvarRefExpr *Result = new (Context) ObjCIvarRefExpr(IV, IV->getType(),
+                                                            MemberLoc,
+                                                            BaseExpr.take(),
+                                                            IsArrow);
+
+    if (getLangOpts().ObjCAutoRefCount) {
+      if (IV->getType().getObjCLifetime() == Qualifiers::OCL_Weak) {
+        DiagnosticsEngine::Level Level =
+          Diags.getDiagnosticLevel(diag::warn_arc_repeated_use_of_weak,
+                                   MemberLoc);
+        if (Level != DiagnosticsEngine::Ignored)
+          getCurFunction()->recordUseOfWeak(Result);
+      }
+    }
+
+    return Owned(Result);
   }
 
   // Objective-C property access.
@@ -1550,7 +1566,7 @@ ExprResult Sema::ActOnMemberAccessExpr(Scope *S, Expr *Base,
           Id.getKind() == UnqualifiedId::IK_DestructorName)
         return DiagnoseDtorReference(NameInfo.getLoc(), Result.get());
 
-      return move(Result);
+      return Result;
     }
 
     ActOnMemberAccessExtraArgs ExtraArgs = {S, Id, ObjCImpDecl, HasTrailingLParen};
@@ -1560,7 +1576,7 @@ ExprResult Sema::ActOnMemberAccessExpr(Scope *S, Expr *Base,
                                       false, &ExtraArgs);
   }
 
-  return move(Result);
+  return Result;
 }
 
 static ExprResult