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-rw-r--r--llvm/lib/CodeGen/WinEHPrepare.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/WinEHPrepare.cpp b/llvm/lib/CodeGen/WinEHPrepare.cpp
index cc225a50092..2601d7a98be 100644
--- a/llvm/lib/CodeGen/WinEHPrepare.cpp
+++ b/llvm/lib/CodeGen/WinEHPrepare.cpp
@@ -875,7 +875,7 @@ bool WinEHPrepare::outlineHandler(ActionHandler *Action, Function *SrcFn,
// save the association of the blocks in LPadTargetBlocks. The
// return instructions which are created from these branches will be
// replaced after all landing pads have been outlined.
- for (auto &MapEntry : VMap) {
+ for (const auto &MapEntry : VMap) {
// VMap maps all values and blocks that were just cloned, but dead
// blocks which were pruned will map to nullptr.
if (!isa<BasicBlock>(MapEntry.first) || MapEntry.second == nullptr)
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