[PATCH] D138047: Fix use of dangling stack allocated string in IncludeFixer

[David Goldman via Phabricator via cfe-commits]

dgoldman updated this revision to Diff 475850.
dgoldman added a comment.

Fix in ParsedAST.cpp


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138047/new/

https://reviews.llvm.org/D138047

Files:
  clang-tools-extra/clangd/ParsedAST.cpp


Index: clang-tools-extra/clangd/ParsedAST.cpp
===================================================================
--- clang-tools-extra/clangd/ParsedAST.cpp
+++ clang-tools-extra/clangd/ParsedAST.cpp
@@ -465,6 +465,8 @@
   std::vector<std::unique_ptr<tidy::ClangTidyCheck>> CTChecks;
   ast_matchers::MatchFinder CTFinder;
   llvm::Optional<tidy::ClangTidyContext> CTContext;
+  // Must outlive FixIncludes.
+  auto BuildDir = VFS->getCurrentWorkingDirectory();
   llvm::Optional<IncludeFixer> FixIncludes;
   llvm::DenseMap<diag::kind, DiagnosticsEngine::Level> OverriddenSeverity;
   // No need to run clang-tidy or IncludeFixerif we are not going to surface
@@ -551,7 +553,6 @@
 
     // Add IncludeFixer which can recover diagnostics caused by missing 
includes
     // (e.g. incomplete type) and attach include insertion fixes to 
diagnostics.
-    auto BuildDir = VFS->getCurrentWorkingDirectory();
     if (Inputs.Index && !BuildDir.getError()) {
       auto Style =
           getFormatStyleForFile(Filename, Inputs.Contents, *Inputs.TFS);



Index: clang-tools-extra/clangd/ParsedAST.cpp
===================================================================
--- clang-tools-extra/clangd/ParsedAST.cpp
+++ clang-tools-extra/clangd/ParsedAST.cpp
@@ -465,6 +465,8 @@
   std::vector<std::unique_ptr<tidy::ClangTidyCheck>> CTChecks;
   ast_matchers::MatchFinder CTFinder;
   llvm::Optional<tidy::ClangTidyContext> CTContext;
+  // Must outlive FixIncludes.
+  auto BuildDir = VFS->getCurrentWorkingDirectory();
   llvm::Optional<IncludeFixer> FixIncludes;
   llvm::DenseMap<diag::kind, DiagnosticsEngine::Level> OverriddenSeverity;
   // No need to run clang-tidy or IncludeFixerif we are not going to surface
@@ -551,7 +553,6 @@
 
     // Add IncludeFixer which can recover diagnostics caused by missing includes
     // (e.g. incomplete type) and attach include insertion fixes to diagnostics.
-    auto BuildDir = VFS->getCurrentWorkingDirectory();
     if (Inputs.Index && !BuildDir.getError()) {
       auto Style =
           getFormatStyleForFile(Filename, Inputs.Contents, *Inputs.TFS);

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