After some discussion with djg, teach SmallVector to grow from a zero
capacity and remove the workaround in SmallVector<T,0>. There are some
theoretical benefits to a N->2N+1 growth policy anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112870 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SmallVector.cpp b/lib/Support/SmallVector.cpp
index 2e17af8..a89f149 100644
--- a/lib/Support/SmallVector.cpp
+++ b/lib/Support/SmallVector.cpp
@@ -18,7 +18,7 @@
/// on POD-like datatypes and is out of line to reduce code duplication.
void SmallVectorBase::grow_pod(size_t MinSizeInBytes, size_t TSize) {
size_t CurSizeBytes = size_in_bytes();
- size_t NewCapacityInBytes = 2 * capacity_in_bytes();
+ size_t NewCapacityInBytes = 2 * capacity_in_bytes() + TSize; // Always grow.
if (NewCapacityInBytes < MinSizeInBytes)
NewCapacityInBytes = MinSizeInBytes;