Unique CXXBasePath decls with the SmallVector/pod_sort/std::unique idiom instead of employing a wasteful std::set.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/CXXInheritance.cpp b/lib/AST/CXXInheritance.cpp
index f29bfd1..f6ce983 100644
--- a/lib/AST/CXXInheritance.cpp
+++ b/lib/AST/CXXInheritance.cpp
@@ -23,12 +23,15 @@
void CXXBasePaths::ComputeDeclsFound() {
assert(NumDeclsFound == 0 && !DeclsFound &&
"Already computed the set of declarations");
-
- std::set<NamedDecl *> Decls;
- for (CXXBasePaths::paths_iterator Path = begin(), PathEnd = end();
- Path != PathEnd; ++Path)
- Decls.insert(*Path->Decls.first);
-
+
+ SmallVector<NamedDecl *, 8> Decls;
+ for (paths_iterator Path = begin(), PathEnd = end(); Path != PathEnd; ++Path)
+ Decls.push_back(*Path->Decls.first);
+
+ // Eliminate duplicated decls.
+ llvm::array_pod_sort(Decls.begin(), Decls.end());
+ std::unique(Decls.begin(), Decls.end());
+
NumDeclsFound = Decls.size();
DeclsFound = new NamedDecl * [NumDeclsFound];
std::copy(Decls.begin(), Decls.end(), DeclsFound);
