diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index e5e4389..437a9da 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -9307,7 +9307,7 @@
   ParmVarDecl *Other = MoveAssignOperator->getParamDecl(0);
   QualType OtherRefType = Other->getType()->
       getAs<RValueReferenceType>()->getPointeeType();
-  assert(OtherRefType.getQualifiers() == 0 &&
+  assert(!OtherRefType.getQualifiers() &&
          "Bad argument type of defaulted move assignment");
 
   // Our location for everything implicitly-generated.
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 0761058..3265ab0 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -2945,7 +2945,7 @@
     QualType ArgType;
     TypeSourceInfo *DI;
 
-    if (ArgInfo[i].Type == 0) {
+    if (!ArgInfo[i].Type) {
       ArgType = Context.getObjCIdType();
       DI = 0;
     } else {
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 2595f2d..fa2bfd2 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -4468,7 +4468,7 @@
 ExprResult
 Sema::ActOnCompoundLiteral(SourceLocation LParenLoc, ParsedType Ty,
                            SourceLocation RParenLoc, Expr *InitExpr) {
-  assert((Ty != 0) && "ActOnCompoundLiteral(): missing type");
+  assert(Ty && "ActOnCompoundLiteral(): missing type");
   // FIXME: put back this assert when initializers are worked out.
   //assert((InitExpr != 0) && "ActOnCompoundLiteral(): missing expression");