Keep track of the Expr used to describe the size of an array type,
from Enea Zaffanella!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74831 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 0075815..08607d5 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -475,6 +475,8 @@
     Align = getTypeAlign(cast<ArrayType>(T)->getElementType());
     break;
 
+  case Type::ConstantArrayWithExpr:
+  case Type::ConstantArrayWithoutExpr:
   case Type::ConstantArray: {
     const ConstantArrayType *CAT = cast<ConstantArrayType>(T);
     
@@ -1344,16 +1346,68 @@
   return QualType(New, 0);
 }
 
+/// getConstantArrayWithExprType - Return a reference to the type for
+/// an array of the specified element type.
+QualType
+ASTContext::getConstantArrayWithExprType(QualType EltTy,
+                                         const llvm::APInt &ArySizeIn,
+                                         Expr *ArySizeExpr,
+                                         ArrayType::ArraySizeModifier ASM,
+                                         unsigned EltTypeQuals,
+                                         SourceRange Brackets) {
+  // Convert the array size into a canonical width matching the pointer
+  // size for the target.
+  llvm::APInt ArySize(ArySizeIn);
+  ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
+
+  // Compute the canonical ConstantArrayType.
+  QualType Canonical = getConstantArrayType(getCanonicalType(EltTy),
+                                            ArySize, ASM, EltTypeQuals);
+  // Since we don't unique expressions, it isn't possible to unique VLA's
+  // that have an expression provided for their size.
+  ConstantArrayWithExprType *New =
+    new(*this,8)ConstantArrayWithExprType(EltTy, Canonical,
+                                          ArySize, ArySizeExpr,
+                                          ASM, EltTypeQuals, Brackets);
+  Types.push_back(New);
+  return QualType(New, 0);
+}
+
+/// getConstantArrayWithoutExprType - Return a reference to the type for
+/// an array of the specified element type.
+QualType
+ASTContext::getConstantArrayWithoutExprType(QualType EltTy,
+                                            const llvm::APInt &ArySizeIn,
+                                            ArrayType::ArraySizeModifier ASM,
+                                            unsigned EltTypeQuals) {
+  // Convert the array size into a canonical width matching the pointer
+  // size for the target.
+  llvm::APInt ArySize(ArySizeIn);
+  ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
+
+  // Compute the canonical ConstantArrayType.
+  QualType Canonical = getConstantArrayType(getCanonicalType(EltTy),
+                                            ArySize, ASM, EltTypeQuals);
+  ConstantArrayWithoutExprType *New =
+    new(*this,8)ConstantArrayWithoutExprType(EltTy, Canonical,
+                                             ArySize, ASM, EltTypeQuals);
+  Types.push_back(New);
+  return QualType(New, 0);
+}
+
 /// getVariableArrayType - Returns a non-unique reference to the type for a
 /// variable array of the specified element type.
-QualType ASTContext::getVariableArrayType(QualType EltTy, Expr *NumElts,
+QualType ASTContext::getVariableArrayType(QualType EltTy,
+                                          Expr *NumElts,
                                           ArrayType::ArraySizeModifier ASM,
-                                          unsigned EltTypeQuals) {
+                                          unsigned EltTypeQuals,
+                                          SourceRange Brackets) {
   // Since we don't unique expressions, it isn't possible to unique VLA's
   // that have an expression provided for their size.
 
   VariableArrayType *New =
-    new(*this,8)VariableArrayType(EltTy,QualType(), NumElts, ASM, EltTypeQuals);
+    new(*this,8)VariableArrayType(EltTy, QualType(),
+                                  NumElts, ASM, EltTypeQuals, Brackets);
 
   VariableArrayTypes.push_back(New);
   Types.push_back(New);
@@ -1364,9 +1418,11 @@
 /// the type for a dependently-sized array of the specified element
 /// type. FIXME: We will need these to be uniqued, or at least
 /// comparable, at some point.
-QualType ASTContext::getDependentSizedArrayType(QualType EltTy, Expr *NumElts,
+QualType ASTContext::getDependentSizedArrayType(QualType EltTy,
+                                                Expr *NumElts,
                                                 ArrayType::ArraySizeModifier ASM,
-                                                unsigned EltTypeQuals) {
+                                                unsigned EltTypeQuals,
+                                                SourceRange Brackets) {
   assert((NumElts->isTypeDependent() || NumElts->isValueDependent()) && 
          "Size must be type- or value-dependent!");
 
@@ -1374,8 +1430,9 @@
   // dependently-sized array types.
 
   DependentSizedArrayType *New =
-      new (*this,8) DependentSizedArrayType(EltTy, QualType(), NumElts, 
-                                            ASM, EltTypeQuals);
+    new (*this,8) DependentSizedArrayType(EltTy, QualType(),
+                                          NumElts, ASM, EltTypeQuals,
+                                          Brackets);
 
   DependentSizedArrayTypes.push_back(New);
   Types.push_back(New);
@@ -1407,8 +1464,9 @@
     assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
   }
 
-  IncompleteArrayType *New = new (*this,8) IncompleteArrayType(EltTy, Canonical,
-                                                           ASM, EltTypeQuals);
+  IncompleteArrayType *New
+    = new (*this,8) IncompleteArrayType(EltTy, Canonical,
+                                        ASM, EltTypeQuals);
 
   IncompleteArrayTypes.InsertNode(New, InsertPos);
   Types.push_back(New);
@@ -1974,14 +2032,18 @@
                                   IAT->getIndexTypeQualifier());
   
   if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT))
-    return getDependentSizedArrayType(NewEltTy, DSAT->getSizeExpr(),
+    return getDependentSizedArrayType(NewEltTy,
+                                      DSAT->getSizeExpr(),
                                       DSAT->getSizeModifier(),
-                                      DSAT->getIndexTypeQualifier());    
+                                      DSAT->getIndexTypeQualifier(),
+                                      DSAT->getBracketsRange());
 
   VariableArrayType *VAT = cast<VariableArrayType>(AT);
-  return getVariableArrayType(NewEltTy, VAT->getSizeExpr(),
+  return getVariableArrayType(NewEltTy,
+                              VAT->getSizeExpr(),
                               VAT->getSizeModifier(),
-                              VAT->getIndexTypeQualifier());
+                              VAT->getIndexTypeQualifier(),
+                              VAT->getBracketsRange());
 }
 
 Decl *ASTContext::getCanonicalDecl(Decl *D) {
@@ -2136,7 +2198,7 @@
   if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy))
     return cast<ArrayType>(getIncompleteArrayType(NewEltTy,
                                                   IAT->getSizeModifier(),
-                                                 IAT->getIndexTypeQualifier()));
+                                                  IAT->getIndexTypeQualifier()));
 
   if (const DependentSizedArrayType *DSAT 
         = dyn_cast<DependentSizedArrayType>(ATy))
@@ -2144,12 +2206,15 @@
                      getDependentSizedArrayType(NewEltTy, 
                                                 DSAT->getSizeExpr(),
                                                 DSAT->getSizeModifier(),
-                                                DSAT->getIndexTypeQualifier()));
+                                                DSAT->getIndexTypeQualifier(),
+                                                DSAT->getBracketsRange()));
   
   const VariableArrayType *VAT = cast<VariableArrayType>(ATy);
-  return cast<ArrayType>(getVariableArrayType(NewEltTy, VAT->getSizeExpr(),
+  return cast<ArrayType>(getVariableArrayType(NewEltTy,
+                                              VAT->getSizeExpr(),
                                               VAT->getSizeModifier(),
-                                              VAT->getIndexTypeQualifier()));
+                                              VAT->getIndexTypeQualifier(),
+                                              VAT->getBracketsRange()));
 }
 
 
@@ -3528,7 +3593,8 @@
     }
     if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS;
     if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS;
-    return getIncompleteArrayType(ResultType, ArrayType::ArraySizeModifier(),0);
+    return getIncompleteArrayType(ResultType,
+                                  ArrayType::ArraySizeModifier(), 0);
   }
   case Type::FunctionNoProto:
     return mergeFunctionTypes(LHS, RHS);
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 4e061a9..2b307c8 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -37,6 +37,18 @@
   C.Deallocate(this);
 }
 
+void ConstantArrayWithExprType::Destroy(ASTContext& C) {
+  // FIXME: destruction of SizeExpr commented out due to resource contention.
+  // SizeExpr->Destroy(C);
+  // See FIXME in SemaDecl.cpp:1536: if we were able to either steal
+  // or clone the SizeExpr there, then here we could freely delete it.
+  // Since we do not know how to steal or clone, we keep a pointer to
+  // a shared resource, but we cannot free it.
+  // (There probably is a trivial solution ... for people knowing clang!).
+  this->~ConstantArrayWithExprType();
+  C.Deallocate(this);
+}
+
 void VariableArrayType::Destroy(ASTContext& C) {
   if (SizeExpr)
     SizeExpr->Destroy(C);
@@ -163,6 +175,8 @@
   case Pointer:
   case VariableArray:
   case ConstantArray:
+  case ConstantArrayWithExpr:
+  case ConstantArrayWithoutExpr:
   case IncompleteArray:
   case FunctionProto:
   case FunctionNoProto:
@@ -1339,6 +1353,29 @@
   getElementType().getAsStringInternal(S, Policy);
 }
 
+void ConstantArrayWithExprType::getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const {
+  if (Policy.ConstantArraySizeAsWritten) {
+    std::string SStr;
+    llvm::raw_string_ostream s(SStr);
+    getSizeExpr()->printPretty(s, 0, Policy);
+    S += '[';
+    S += s.str();
+    S += ']';
+    getElementType().getAsStringInternal(S, Policy);
+  }
+  else
+    ConstantArrayType::getAsStringInternal(S, Policy);
+}
+
+void ConstantArrayWithoutExprType::getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const {
+  if (Policy.ConstantArraySizeAsWritten) {
+    S += "[]";
+    getElementType().getAsStringInternal(S, Policy);
+  }
+  else
+    ConstantArrayType::getAsStringInternal(S, Policy);
+}
+
 void IncompleteArrayType::getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const {
   S += "[]";
 
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 2bf8a22..cf8e19a 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -780,6 +780,8 @@
     return Slot = CreateType(cast<FunctionType>(Ty), Unit);
     
   case Type::ConstantArray:
+  case Type::ConstantArrayWithExpr:
+  case Type::ConstantArrayWithoutExpr:
   case Type::VariableArray:
   case Type::IncompleteArray:
     return Slot = CreateType(cast<ArrayType>(Ty), Unit);
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 95b1661..7d65c4b 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1753,7 +1753,32 @@
     unsigned IndexTypeQuals = Record[2];
     unsigned Idx = 3;
     llvm::APInt Size = ReadAPInt(Record, Idx);
-    return Context->getConstantArrayType(ElementType, Size, ASM,IndexTypeQuals);
+    return Context->getConstantArrayType(ElementType, Size,
+                                         ASM, IndexTypeQuals);
+  }
+
+  case pch::TYPE_CONSTANT_ARRAY_WITH_EXPR: {
+    QualType ElementType = GetType(Record[0]);
+    ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
+    unsigned IndexTypeQuals = Record[2];
+    SourceLocation LBLoc = SourceLocation::getFromRawEncoding(Record[3]);
+    SourceLocation RBLoc = SourceLocation::getFromRawEncoding(Record[4]);
+    unsigned Idx = 5;
+    llvm::APInt Size = ReadAPInt(Record, Idx);
+    return Context->getConstantArrayWithExprType(ElementType,
+                                                 Size, ReadTypeExpr(),
+                                                 ASM, IndexTypeQuals,
+                                                 SourceRange(LBLoc, RBLoc));
+  }
+
+  case pch::TYPE_CONSTANT_ARRAY_WITHOUT_EXPR: {
+    QualType ElementType = GetType(Record[0]);
+    ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
+    unsigned IndexTypeQuals = Record[2];
+    unsigned Idx = 3;
+    llvm::APInt Size = ReadAPInt(Record, Idx);
+    return Context->getConstantArrayWithoutExprType(ElementType, Size,
+                                                    ASM, IndexTypeQuals);
   }
 
   case pch::TYPE_INCOMPLETE_ARRAY: {
@@ -1767,8 +1792,11 @@
     QualType ElementType = GetType(Record[0]);
     ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
     unsigned IndexTypeQuals = Record[2];
+    SourceLocation LBLoc = SourceLocation::getFromRawEncoding(Record[3]);
+    SourceLocation RBLoc = SourceLocation::getFromRawEncoding(Record[4]);
     return Context->getVariableArrayType(ElementType, ReadTypeExpr(),
-                                         ASM, IndexTypeQuals);
+                                         ASM, IndexTypeQuals,
+                                         SourceRange(LBLoc, RBLoc));
   }
 
   case pch::TYPE_VECTOR: {
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 3bfc9e8..fee2137 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -124,6 +124,23 @@
   Code = pch::TYPE_CONSTANT_ARRAY;
 }
 
+void PCHTypeWriter
+::VisitConstantArrayWithExprType(const ConstantArrayWithExprType *T) {
+  VisitArrayType(T);
+  Writer.AddSourceLocation(T->getLBracketLoc(), Record);
+  Writer.AddSourceLocation(T->getRBracketLoc(), Record);
+  Writer.AddAPInt(T->getSize(), Record);
+  Writer.AddStmt(T->getSizeExpr());
+  Code = pch::TYPE_CONSTANT_ARRAY_WITH_EXPR;
+}
+
+void PCHTypeWriter
+::VisitConstantArrayWithoutExprType(const ConstantArrayWithoutExprType *T) {
+  VisitArrayType(T);
+  Writer.AddAPInt(T->getSize(), Record);
+  Code = pch::TYPE_CONSTANT_ARRAY_WITHOUT_EXPR;
+}
+
 void PCHTypeWriter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
   VisitArrayType(T);
   Code = pch::TYPE_INCOMPLETE_ARRAY;
@@ -131,6 +148,8 @@
 
 void PCHTypeWriter::VisitVariableArrayType(const VariableArrayType *T) {
   VisitArrayType(T);
+  Writer.AddSourceLocation(T->getLBracketLoc(), Record);
+  Writer.AddSourceLocation(T->getRBracketLoc(), Record);
   Writer.AddStmt(T->getSizeExpr());
   Code = pch::TYPE_VARIABLE_ARRAY;
 }
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 4a3532c..d599438 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -2690,7 +2690,8 @@
     SourceLocation EndLoc = MatchRHSPunctuation(tok::r_square, StartLoc);
     // Remember that we parsed the empty array type.
     OwningExprResult NumElements(Actions);
-    D.AddTypeInfo(DeclaratorChunk::getArray(0, false, false, 0, StartLoc),
+    D.AddTypeInfo(DeclaratorChunk::getArray(0, false, false, 0,
+                                            StartLoc, EndLoc),
                   EndLoc);
     return;
   } else if (Tok.getKind() == tok::numeric_constant &&
@@ -2706,8 +2707,8 @@
       ExprRes.release();  // Deallocate expr, just use [].
     
     // Remember that we parsed a array type, and remember its features.
-    D.AddTypeInfo(DeclaratorChunk::getArray(0, false, 0,
-                                            ExprRes.release(), StartLoc),
+    D.AddTypeInfo(DeclaratorChunk::getArray(0, false, 0, ExprRes.release(),
+                                            StartLoc, EndLoc),
                   EndLoc);
     return;
   }
@@ -2770,7 +2771,8 @@
   // Remember that we parsed a array type, and remember its features.
   D.AddTypeInfo(DeclaratorChunk::getArray(DS.getTypeQualifiers(),
                                           StaticLoc.isValid(), isStar,
-                                          NumElements.release(), StartLoc),
+                                          NumElements.release(),
+                                          StartLoc, EndLoc),
                 EndLoc);
 }
 
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index 1220b2d..1c00a8e 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -966,7 +966,7 @@
 
     SourceLocation RLoc = MatchRHSPunctuation(tok::r_square, LLoc);
     D.AddTypeInfo(DeclaratorChunk::getArray(0, /*static=*/false, /*star=*/false,
-                                            Size.release(), LLoc),
+                                            Size.release(), LLoc, RLoc),
                   RLoc);
 
     if (RLoc.isInvalid())
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index d1e8e21..6cbb1c3 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -282,8 +282,8 @@
         llvm::APInt One(Context.getTypeSize(Context.getSizeType()), 
                         true);
         QualType T 
-          = Context.getConstantArrayType(ArrayT->getElementType(),
-                                         One, ArrayType::Normal, 0);
+          = Context.getConstantArrayWithoutExprType(ArrayT->getElementType(),
+                                                    One, ArrayType::Normal, 0);
         VD->setType(T);
       }
     } else if (RequireCompleteType(VD->getLocation(), VD->getType(), 
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 7af80c0..4c213b6 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -378,7 +378,7 @@
                               SourceLocation Loc, DeclarationName Entity);
   QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM,
                           Expr *ArraySize, unsigned Quals,
-                          SourceLocation Loc, DeclarationName Entity);
+                          SourceRange Brackets, DeclarationName Entity);
   QualType BuildExtVectorType(QualType T, ExprArg ArraySize, 
                               SourceLocation AttrLoc);
   QualType BuildFunctionType(QualType T,
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 1fd5697..f148e8d 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1568,9 +1568,18 @@
     return QualType();
 
   llvm::APSInt &Res = EvalResult.Val.getInt();
-  if (Res >= llvm::APSInt(Res.getBitWidth(), Res.isUnsigned()))
-    return Context.getConstantArrayType(VLATy->getElementType(),
-                                        Res, ArrayType::Normal, 0);
+  if (Res >= llvm::APSInt(Res.getBitWidth(), Res.isUnsigned())) {
+    Expr* ArySizeExpr = VLATy->getSizeExpr();
+    // FIXME: here we could "steal" (how?) ArySizeExpr from the VLA,
+    // so as to transfer ownership to the ConstantArrayWithExpr.
+    // Alternatively, we could "clone" it (how?).
+    // Since we don't know how to do things above, we just use the
+    // very same Expr*.
+    return Context.getConstantArrayWithExprType(VLATy->getElementType(),
+                                                Res, ArySizeExpr,
+                                                ArrayType::Normal, 0,
+                                                VLATy->getBracketsRange());
+  }
 
   SizeIsNegative = true;
   return QualType();
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index ecfdfd7..5be07e3 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -97,8 +97,9 @@
     llvm::APSInt ConstVal(32);
     ConstVal = StrLength;
     // Return a new array type (C99 6.7.8p22).
-    DeclT = S.Context.getConstantArrayType(IAT->getElementType(), ConstVal, 
-                                           ArrayType::Normal, 0);
+    DeclT = S.Context.getConstantArrayWithoutExprType(IAT->getElementType(),
+                                                      ConstVal,
+                                                      ArrayType::Normal, 0);
     return;
   }
   
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index 6c2dc77..6ee50ab 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -421,7 +421,20 @@
   IntegerLiteral ArraySize(Size, SizeType, Loc);
   return SemaRef.BuildArrayType(ElementType, T->getSizeModifier(), 
                                 &ArraySize, T->getIndexTypeQualifier(), 
-                                Loc, Entity);
+                                SourceRange(), // FIXME: provide proper range?
+                                Entity);
+}
+
+QualType
+TemplateTypeInstantiator::InstantiateConstantArrayWithExprType
+(const ConstantArrayWithExprType *T) const {
+  return InstantiateConstantArrayType(T);
+}
+
+QualType
+TemplateTypeInstantiator::InstantiateConstantArrayWithoutExprType
+(const ConstantArrayWithoutExprType *T) const {
+  return InstantiateConstantArrayType(T);
 }
 
 QualType 
@@ -432,8 +445,9 @@
     return ElementType;
   
   return SemaRef.BuildArrayType(ElementType, T->getSizeModifier(), 
-                                0, T->getIndexTypeQualifier(), 
-                                Loc, Entity);
+                                0, T->getIndexTypeQualifier(),
+                                SourceRange(), // FIXME: provide proper range?
+                                Entity);
 }
 
 QualType
@@ -468,7 +482,9 @@
   
   return SemaRef.BuildArrayType(ElementType, T->getSizeModifier(),
                                 InstantiatedArraySize.takeAs<Expr>(),
-                                T->getIndexTypeQualifier(), Loc, Entity);
+                                T->getIndexTypeQualifier(),
+                                SourceRange(), // FIXME: provide proper range?
+                                Entity);
 }
 
 QualType 
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 3756df8..da61e6e 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -483,7 +483,8 @@
 /// returns a NULL type.
 QualType Sema::BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM,
                               Expr *ArraySize, unsigned Quals,
-                              SourceLocation Loc, DeclarationName Entity) {
+                              SourceRange Brackets, DeclarationName Entity) {
+  SourceLocation Loc = Brackets.getBegin();
   // C99 6.7.5.2p1: If the element type is an incomplete or function type, 
   // reject it (e.g. void ary[7], struct foo ary[7], void ary[7]())
   if (RequireCompleteType(Loc, T, 
@@ -530,16 +531,16 @@
   llvm::APSInt ConstVal(32);
   if (!ArraySize) {
     if (ASM == ArrayType::Star)
-      T = Context.getVariableArrayType(T, 0, ASM, Quals);
+      T = Context.getVariableArrayType(T, 0, ASM, Quals, Brackets);
     else
       T = Context.getIncompleteArrayType(T, ASM, Quals);
   } else if (ArraySize->isValueDependent()) {
-    T = Context.getDependentSizedArrayType(T, ArraySize, ASM, Quals);
+    T = Context.getDependentSizedArrayType(T, ArraySize, ASM, Quals, Brackets);
   } else if (!ArraySize->isIntegerConstantExpr(ConstVal, Context) ||
              (!T->isDependentType() && !T->isConstantSizeType())) {
     // Per C99, a variable array is an array with either a non-constant
     // size or an element type that has a non-constant-size
-    T = Context.getVariableArrayType(T, ArraySize, ASM, Quals);
+    T = Context.getVariableArrayType(T, ArraySize, ASM, Quals, Brackets);
   } else {
     // C99 6.7.5.2p1: If the expression is a constant expression, it shall
     // have a value greater than zero.
@@ -555,7 +556,8 @@
           << ArraySize->getSourceRange();
       }
     } 
-    T = Context.getConstantArrayType(T, ConstVal, ASM, Quals);
+    T = Context.getConstantArrayWithExprType(T, ConstVal, ArraySize,
+                                             ASM, Quals, Brackets);
   }
   // If this is not C99, extwarn about VLA's and C99 array size modifiers.
   if (!getLangOptions().C99) {
@@ -923,7 +925,8 @@
         ASM = ArrayType::Normal;
         D.setInvalidType(true);
       }
-      T = BuildArrayType(T, ASM, ArraySize, ATI.TypeQuals, DeclType.Loc, Name);
+      T = BuildArrayType(T, ASM, ArraySize, ATI.TypeQuals,
+                         SourceRange(DeclType.Loc, DeclType.EndLoc), Name);
       break;
     }
     case DeclaratorChunk::Function: {