dont call iterator::end() on every cycle and dont read already-deleted memory
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61015 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclarationName.cpp b/lib/AST/DeclarationName.cpp
index 9535965..044acd7 100644
--- a/lib/AST/DeclarationName.cpp
+++ b/lib/AST/DeclarationName.cpp
@@ -261,10 +261,11 @@
DeclarationNameTable::~DeclarationNameTable() {
llvm::FoldingSet<CXXSpecialName> *set =
static_cast<llvm::FoldingSet<CXXSpecialName>*>(CXXSpecialNamesImpl);
- llvm::FoldingSetIterator<CXXSpecialName> it = set->begin();
+ llvm::FoldingSetIterator<CXXSpecialName> I = set->begin(), E = set->end();
- while (it != set->end()) {
- delete &*it++;
+ while (I != E) {
+ CXXSpecialName *n = &*I++;
+ delete n;
}
delete set;