2 files changed, 13 insertions, 9 deletions
diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h
index 3243fd9cea..397f50fbe3 100644
--- a/include/llvm/Support/Allocator.h
+++ b/include/llvm/Support/Allocator.h
@@ -99,6 +99,9 @@ class BumpPtrAllocator {
   /// allocate a separate slab.
   size_t SizeThreshold;
 
+  /// \brief the default allocator used if one is not provided
+  MallocSlabAllocator DefaultSlabAllocator;
+
   /// Allocator - The underlying allocator we use to get slabs of memory.  This
   /// defaults to MallocSlabAllocator, which wraps malloc, but it could be
   /// changed to use a custom allocator.
@@ -133,12 +136,10 @@ class BumpPtrAllocator {
   /// one.
   void DeallocateSlabs(MemSlab *Slab);
 
-  static MallocSlabAllocator DefaultSlabAllocator;
-
   template<typename T> friend class SpecificBumpPtrAllocator;
 public:
-  BumpPtrAllocator(size_t size = 4096, size_t threshold = 4096,
-                   SlabAllocator &allocator = DefaultSlabAllocator);
+  BumpPtrAllocator(size_t size = 4096, size_t threshold = 4096);
+  BumpPtrAllocator(size_t size, size_t threshold, SlabAllocator &allocator);
   ~BumpPtrAllocator();
 
   /// Reset - Deallocate all but the current slab and reset the current pointer
@@ -189,8 +190,10 @@ template <typename T>
 class SpecificBumpPtrAllocator {
   BumpPtrAllocator Allocator;
 public:
-  SpecificBumpPtrAllocator(size_t size = 4096, size_t threshold = 4096,
-              SlabAllocator &allocator = BumpPtrAllocator::DefaultSlabAllocator)
+  SpecificBumpPtrAllocator(size_t size = 4096, size_t threshold = 4096)
+    : Allocator(size, threshold) {}
+  SpecificBumpPtrAllocator(size_t size, size_t threshold,
+                           SlabAllocator &allocator)
     : Allocator(size, threshold, allocator) {}
 
   ~SpecificBumpPtrAllocator() {
diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp
index 3c4191b805..6e7a541dd4 100644
--- a/lib/Support/Allocator.cpp
+++ b/lib/Support/Allocator.cpp
@@ -26,6 +26,10 @@ BumpPtrAllocator::BumpPtrAllocator(size_t size, size_t threshold,
     : SlabSize(size), SizeThreshold(std::min(size, threshold)),
       Allocator(allocator), CurSlab(0), BytesAllocated(0) { }
 
+BumpPtrAllocator::BumpPtrAllocator(size_t size, size_t threshold)
+    : SlabSize(size), SizeThreshold(std::min(size, threshold)),
+      Allocator(DefaultSlabAllocator), CurSlab(0), BytesAllocated(0) { }
+
 BumpPtrAllocator::~BumpPtrAllocator() {
   DeallocateSlabs(CurSlab);
 }
@@ -167,9 +171,6 @@ void BumpPtrAllocator::PrintStats() const {
          << " (includes alignment, etc)\n";
 }
 
-MallocSlabAllocator BumpPtrAllocator::DefaultSlabAllocator =
-  MallocSlabAllocator();
-
 SlabAllocator::~SlabAllocator() { }
 
 MallocSlabAllocator::~MallocSlabAllocator() { }