aboutsummaryrefslogtreecommitdiff
path: root/lib/AST/Expr.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/AST/Expr.cpp')
-rw-r--r--lib/AST/Expr.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 68fcb35c79..db2473bb55 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -37,7 +37,7 @@ bool Expr::isKnownToHaveBooleanValue() const {
// If this value has _Bool type, it is obvious 0/1.
if (getType()->isBooleanType()) return true;
// If this is a non-scalar-integer type, we don't care enough to try.
- if (!getType()->isIntegralType()) return false;
+ if (!getType()->isIntegralOrEnumerationType()) return false;
if (const ParenExpr *PE = dyn_cast<ParenExpr>(this))
return PE->getSubExpr()->isKnownToHaveBooleanValue();
@@ -160,7 +160,7 @@ void DeclRefExpr::computeDependence() {
// (VD) - a constant with integral or enumeration type and is
// initialized with an expression that is value-dependent.
else if (VarDecl *Var = dyn_cast<VarDecl>(D)) {
- if (Var->getType()->isIntegralType() &&
+ if (Var->getType()->isIntegralOrEnumerationType() &&
Var->getType().getCVRQualifiers() == Qualifiers::Const) {
if (const Expr *Init = Var->getAnyInitializer())
if (Init->isValueDependent())
@@ -1598,7 +1598,7 @@ Expr *Expr::IgnoreParenNoopCasts(ASTContext &Ctx) {
if (CastExpr *P = dyn_cast<CastExpr>(E)) {
// We ignore integer <-> casts that are of the same width, ptr<->ptr and
- // ptr<->int casts of the same width. We also ignore all identify casts.
+ // ptr<->int casts of the same width. We also ignore all identity casts.
Expr *SE = P->getSubExpr();
if (Ctx.hasSameUnqualifiedType(E->getType(), SE->getType())) {
@@ -1797,7 +1797,8 @@ bool Expr::isNullPointerConstant(ASTContext &Ctx,
// If the unthinkable happens, fall through to the safest alternative.
case NPC_ValueDependentIsNull:
- return isTypeDependent() || getType()->isIntegralType();
+ return isTypeDependent() ||
+ (getType()->isIntegralType() && !getType()->isEnumeralType());
case NPC_ValueDependentIsNotNull:
return false;