Get the size from e->getArraySize() rather than using size_t

Author: andykaylor

clang/lib/CodeGen/CGExprCXX.cpp

@@ -733,7 +733,7 @@ static llvm::Value *EmitCXXNewAllocSize(CodeGenFunction &CGF,
   // We multiply the size of all dimensions for NumElements.
   // e.g for 'int[2][3]', ElemType is 'int' and NumElements is 6.
   numElements = ConstantEmitter(CGF).tryEmitAbstract(
-      *e->getArraySize(), CGF.getContext().getSizeType());
+      *e->getArraySize(), (*e->getArraySize())->getType());
   if (!numElements)
     numElements = CGF.EmitScalarExpr(*e->getArraySize());
   assert(isa<llvm::IntegerType>(numElements->getType()));