Added a test and fixed a bug in BumpPtrAllocator relating to large alignment
values. Hopefully this fixes PR4622.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77088 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Allocator.cpp b/lib/Support/Allocator.cpp
index 230c421..36da443 100644
--- a/lib/Support/Allocator.cpp
+++ b/lib/Support/Allocator.cpp
@@ -95,8 +95,8 @@
}
// If Size is really big, allocate a separate slab for it.
- if (Size > SizeThreshold) {
- size_t PaddedSize = Size + sizeof(MemSlab) + Alignment - 1;
+ size_t PaddedSize = Size + sizeof(MemSlab) + Alignment - 1;
+ if (PaddedSize > SizeThreshold) {
MemSlab *NewSlab = Allocator.Allocate(PaddedSize);
// Put the new slab after the current slab, since we are not allocating