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Use MapVector to fix lld thinLTO "nondeterminism" issue. #117551

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Merged
merged 2 commits into from
Dec 2, 2024
Merged

Use MapVector to fix lld thinLTO "nondeterminism" issue. #117551

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Use MapVector to fix lld thinLTO nondeterminism issue.
llvmssh Dec 2, 2024
5afae5c
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vitalybuka Dec 2, 2024
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3 changes: 2 additions & 1 deletion llvm/lib/Object/RecordStreamer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@

#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/SMLoc.h"
Expand All @@ -32,7 +33,7 @@ class RecordStreamer : public MCStreamer {
// Map of aliases created by .symver directives, saved so we can update
// their symbol binding after parsing complete. This maps from each
// aliasee to its list of aliases.
DenseMap<const MCSymbol *, std::vector<StringRef>> SymverAliasMap;
MapVector<const MCSymbol *, std::vector<StringRef>> SymverAliasMap;

/// Get the state recorded for the given symbol.
State getSymbolState(const MCSymbol *Sym);
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