markstegeman updated this revision to Diff 201401. markstegeman added a comment.
Added a test. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D62404/new/ https://reviews.llvm.org/D62404 Files: clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp clang-tools-extra/test/clang-tidy/readability-identifier-naming-bugfix.cpp Index: clang-tools-extra/test/clang-tidy/readability-identifier-naming-bugfix.cpp =================================================================== --- /dev/null +++ clang-tools-extra/test/clang-tidy/readability-identifier-naming-bugfix.cpp @@ -0,0 +1,5 @@ +// RUN: %check_clang_tidy -expect-clang-tidy-error %s readability-identifier-naming %t + +// This used to cause a null pointer dereference. +auto [left] = right; +// CHECK-MESSAGES: :[[@LINE-1]]:15: error: use of undeclared identifier 'right' Index: clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp =================================================================== --- clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp +++ clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp @@ -800,10 +800,11 @@ // Fix type aliases in value declarations if (const auto *Value = Result.Nodes.getNodeAs<ValueDecl>("decl")) { - if (const auto *Typedef = - Value->getType().getTypePtr()->getAs<TypedefType>()) { - addUsage(NamingCheckFailures, Typedef->getDecl(), - Value->getSourceRange()); + if (const auto *TypePtr = Value->getType().getTypePtrOrNull()) { + if (const auto *Typedef = TypePtr->getAs<TypedefType>()) { + addUsage(NamingCheckFailures, Typedef->getDecl(), + Value->getSourceRange()); + } } }
Index: clang-tools-extra/test/clang-tidy/readability-identifier-naming-bugfix.cpp =================================================================== --- /dev/null +++ clang-tools-extra/test/clang-tidy/readability-identifier-naming-bugfix.cpp @@ -0,0 +1,5 @@ +// RUN: %check_clang_tidy -expect-clang-tidy-error %s readability-identifier-naming %t + +// This used to cause a null pointer dereference. +auto [left] = right; +// CHECK-MESSAGES: :[[@LINE-1]]:15: error: use of undeclared identifier 'right' Index: clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp =================================================================== --- clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp +++ clang-tools-extra/clang-tidy/readability/IdentifierNamingCheck.cpp @@ -800,10 +800,11 @@ // Fix type aliases in value declarations if (const auto *Value = Result.Nodes.getNodeAs<ValueDecl>("decl")) { - if (const auto *Typedef = - Value->getType().getTypePtr()->getAs<TypedefType>()) { - addUsage(NamingCheckFailures, Typedef->getDecl(), - Value->getSourceRange()); + if (const auto *TypePtr = Value->getType().getTypePtrOrNull()) { + if (const auto *Typedef = TypePtr->getAs<TypedefType>()) { + addUsage(NamingCheckFailures, Typedef->getDecl(), + Value->getSourceRange()); + } } }
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