diff options
| -rw-r--r-- | lib/VMCore/Attributes.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp index 477111a3ae..e4a228b8c6 100644 --- a/lib/VMCore/Attributes.cpp +++ b/lib/VMCore/Attributes.cpp @@ -106,6 +106,11 @@ Attributes Attribute::typeIncompatible(const Type *Ty) { // AttributeListImpl Definition //===----------------------------------------------------------------------===// +namespace llvm { + class AttributeListImpl; +} + +static ManagedStatic<FoldingSet<AttributeListImpl> > AttributesLists; namespace llvm { static ManagedStatic<sys::SmartMutex<true> > ALMutex; @@ -131,6 +136,8 @@ public: } void DropRef() { sys::SmartScopedLock<true> Lock(*ALMutex); + if (!AttributesLists.isConstructed()) + return; sys::cas_flag new_val = --RefCount; if (new_val == 0) delete this; @@ -147,8 +154,6 @@ public: }; } -static ManagedStatic<FoldingSet<AttributeListImpl> > AttributesLists; - AttributeListImpl::~AttributeListImpl() { // NOTE: Lock must be acquired by caller. AttributesLists->RemoveNode(this); |