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[ASTMatchers] Don't create a copy of a std::set when iterating over it. 

This is a bit awkward because lookup returns a copy instead of a
reference. No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@315276 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2017-10-10 07:21:34 +00:00
parent 1c1f51cab8
commit d89b5f87c9
1 changed files with 4 additions and 1 deletions
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5
lib/ASTMatchers/ASTMatchFinder.cpp
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@ -734,7 +734,10 @@ private:
BoundNodesTreeBuilder *Builder) {
const Type *const CanonicalType =
ActiveASTContext->getCanonicalType(TypeNode);
for (const TypedefNameDecl *Alias : TypeAliases.lookup(CanonicalType)) {
auto Aliases = TypeAliases.find(CanonicalType);
if (Aliases == TypeAliases.end())
return false;
for (const TypedefNameDecl *Alias : Aliases->second) {
BoundNodesTreeBuilder Result(*Builder);
if (Matcher.matches(*Alias, this, &Result)) {
*Builder = std::move(Result);