diff options
Diffstat (limited to 'clang/lib/Sema/AnalysisBasedWarnings.cpp')
| -rw-r--r-- | clang/lib/Sema/AnalysisBasedWarnings.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Sema/AnalysisBasedWarnings.cpp b/clang/lib/Sema/AnalysisBasedWarnings.cpp index 829c81b..35ad0b5 100644 --- a/clang/lib/Sema/AnalysisBasedWarnings.cpp +++ b/clang/lib/Sema/AnalysisBasedWarnings.cpp @@ -503,8 +503,12 @@ static bool areAllValuesNoReturn(const VarDecl *VD, const CFGBlock &VarBlk, TransferFunctions TF(VD); BackwardDataflowWorklist Worklist(*AC.getCFG(), AC); + llvm::DenseSet<const CFGBlock *> Visited; Worklist.enqueueBlock(&VarBlk); while (const CFGBlock *B = Worklist.dequeue()) { + if (Visited.contains(B)) + continue; + Visited.insert(B); // First check the current block. for (CFGBlock::const_reverse_iterator ri = B->rbegin(), re = B->rend(); ri != re; ++ri) { |