Don't copy a DenseMap just to do lookup in it.

Also remove the now unused isPodLike specialization. DenseMap only uses
it for copies.

llvm-svn: 260822

1 files changed, 1 insertions, 6 deletions

diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 836073a680c..e304965562b 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -3531,11 +3531,6 @@ template <> struct DenseMapInfo<CatchHandlerType> {
     return LHS == RHS;
   }
 };
-
-// It's OK to treat CatchHandlerType as a POD type.
-template <> struct isPodLike<CatchHandlerType> {
-  static const bool value = true;
-};
 }
 
 namespace {
@@ -3560,7 +3555,7 @@ public:
   bool operator()(const CXXBaseSpecifier *S, CXXBasePath &) {
     if (S->getAccessSpecifier() == AccessSpecifier::AS_public) {
       CatchHandlerType Check(S->getType(), CheckAgainstPointer);
-      auto M = TypesToCheck;
+      const auto &M = TypesToCheck;
       auto I = M.find(Check);
       if (I != M.end()) {
         FoundHandler = I->second;