hokein created this revision.
hokein added a reviewer: gribozavr2.
Herald added a subscriber: xazax.hun.
Herald added a project: clang.
hokein requested review of this revision.

I saw this crash in our internal production, but unfortunately didn't get
reproduced testcase, we likely hit this crash when the AST is ill-formed
(e.g. broken code).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91614

Files:
  clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp


Index: clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
@@ -79,12 +79,11 @@
   // written type.
   auto Matches =
       match(expr(hasDescendant(typeLoc().bind("t"))), *E, *Result.Context);
-  const auto *TL = selectFirst<TypeLoc>("t", Matches);
-  assert(TL);
-  D << FixItHint::CreateInsertion(
-      Lexer::getLocForEndOfToken(TL->getEndLoc(), 0, *Result.SourceManager,
-                                 getLangOpts()),
-      Replacement);
+  if (const auto *TL = selectFirst<TypeLoc>("t", Matches))
+    D << FixItHint::CreateInsertion(
+        Lexer::getLocForEndOfToken(TL->getEndLoc(), 0, *Result.SourceManager,
+                                   getLangOpts()),
+        Replacement);
 }
 
 } // namespace bugprone


Index: clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
@@ -79,12 +79,11 @@
   // written type.
   auto Matches =
       match(expr(hasDescendant(typeLoc().bind("t"))), *E, *Result.Context);
-  const auto *TL = selectFirst<TypeLoc>("t", Matches);
-  assert(TL);
-  D << FixItHint::CreateInsertion(
-      Lexer::getLocForEndOfToken(TL->getEndLoc(), 0, *Result.SourceManager,
-                                 getLangOpts()),
-      Replacement);
+  if (const auto *TL = selectFirst<TypeLoc>("t", Matches))
+    D << FixItHint::CreateInsertion(
+        Lexer::getLocForEndOfToken(TL->getEndLoc(), 0, *Result.SourceManager,
+                                   getLangOpts()),
+        Replacement);
 }
 
 } // namespace bugprone
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