================
@@ -697,27 +698,61 @@ static bool isTokenAtLoc(const SourceManager &SM, const
LangOptions &LangOpts,
return !Invalid && Text == TokenText;
}
-std::optional<SourceLocation>
-getExpansionLocOfMacro(StringRef MacroName, SourceLocation Loc,
- const ASTContext &Context) {
+namespace {
+struct SourceLocationHash {
+ std::size_t operator()(const SourceLocation &Loc) const {
----------------
AaronBallman wrote:
```suggestion
std::size_t operator()(SourceLocation Loc) const {
```
A `SourceLocation` is a 32-bit value, so no need to pass by const reference.
The same change can be made elsewhere in the patch.
https://github.com/llvm/llvm-project/pull/117143
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