Clearing a SmallPtrSet is still expensive, split it out from OverloadCandidateSet::clear and don't do it on destruction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165501 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index 600393137d..bdc25ba39c 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -740,13 +740,17 @@ OverloadCandidate::DeductionFailureInfo::getSecondArg() {
   return 0;
 }
 
-void OverloadCandidateSet::clear() {
+void OverloadCandidateSet::destroyCandidates() {
   for (iterator i = begin(), e = end(); i != e; ++i) {
     for (unsigned ii = 0, ie = i->NumConversions; ii != ie; ++ii)
       i->Conversions[ii].~ImplicitConversionSequence();
     if (!i->Viable && i->FailureKind == ovl_fail_bad_deduction)
       i->DeductionFailure.Destroy();
   }
+}
+
+void OverloadCandidateSet::clear() {
+  destroyCandidates();
   NumInlineSequences = 0;
   Candidates.clear();
   Functions.clear();