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[clang-tidy] Avoid repeated hash lookups (NFC) #111785

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Oct 10, 2024
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[clang-tidy] Avoid repeated hash lookups (NFC) #111785

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5 changes: 3 additions & 2 deletions clang-tools-extra/clang-tidy/bugprone/ForwardDeclarationNamespaceCheck.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -146,12 +146,13 @@ void ForwardDeclarationNamespaceCheck::onEndOfTranslationUnit() {
}
// Check if a definition in another namespace exists.
const auto DeclName = CurDecl->getName();
if (!DeclNameToDefinitions.contains(DeclName)) {
auto It = DeclNameToDefinitions.find(DeclName);
if (It == DeclNameToDefinitions.end()) {
continue; // No definition in this translation unit, we can skip it.
}
// Make a warning for each definition with the same name (in other
// namespaces).
const auto &Definitions = DeclNameToDefinitions[DeclName];
const auto &Definitions = It->second;
for (const auto *Def : Definitions) {
diag(CurDecl->getLocation(),
"no definition found for %0, but a definition with "
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