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-rw-r--r--lib/MC/MCExpr.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 8d84f53037..3bd6b1b695 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -195,10 +195,11 @@ bool MCExpr::EvaluateAsRelocatable(MCValue &Res,
if (!Sym.getValue()->EvaluateAsRelocatable(Res, Layout))
return false;
- // Absolutize symbol differences when we have a layout object and the
- // target requests it.
+ // Absolutize symbol differences between defined symbols when we have a
+ // layout object and the target requests it.
if (Layout && Res.getSymB() &&
- Layout->getAssembler().getBackend().hasAbsolutizedSet()) {
+ Layout->getAssembler().getBackend().hasAbsolutizedSet() &&
+ Res.getSymA()->isDefined() && Res.getSymB()->isDefined()) {
MCSymbolData &A = Layout->getAssembler().getSymbolData(*Res.getSymA());
MCSymbolData &B = Layout->getAssembler().getSymbolData(*Res.getSymB());
Res = MCValue::get(+ A.getFragment()->getAddress() + A.getOffset()