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Fixed a crash in llvm-mc for Mach-O when a symbol difference expression uses a
[oota-llvm.git]
/
lib
/
MC
/
MCObjectWriter.cpp
diff --git
a/lib/MC/MCObjectWriter.cpp
b/lib/MC/MCObjectWriter.cpp
index 18887397ab617eaa6f17685218b74b1b03e7130e..030f24793c55b547e761d9f2757b6ff604dcd39a 100644
(file)
--- a/
lib/MC/MCObjectWriter.cpp
+++ b/
lib/MC/MCObjectWriter.cpp
@@
-68,6
+68,8
@@
MCObjectWriter::IsSymbolRefDifferenceFullyResolved(const MCAssembler &Asm,
const MCSymbolData &DataA = Asm.getSymbolData(SA);
const MCSymbolData &DataB = Asm.getSymbolData(SB);
const MCSymbolData &DataA = Asm.getSymbolData(SA);
const MCSymbolData &DataB = Asm.getSymbolData(SB);
+ if(!DataA.getFragment() || !DataB.getFragment())
+ return false;
return IsSymbolRefDifferenceFullyResolvedImpl(Asm, DataA,
*DataB.getFragment(),
return IsSymbolRefDifferenceFullyResolvedImpl(Asm, DataA,
*DataB.getFragment(),