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-rw-r--r--lib/MC/MCParser/AsmParser.cpp4
-rw-r--r--test/MC/AsmParser/variables-invalid.s4
2 files changed, 7 insertions, 1 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 8acdf38400..c5a483c144 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1565,7 +1565,9 @@ static bool IsUsedIn(const MCSymbol *Sym, const MCExpr *Value) {
return false;
case MCExpr::SymbolRef: {
const MCSymbol &S = static_cast<const MCSymbolRefExpr*>(Value)->getSymbol();
- return &S.AliasedSymbol() == Sym;
+ if (S.isVariable())
+ return IsUsedIn(Sym, S.getVariableValue());
+ return &S == Sym;
}
case MCExpr::Unary:
return IsUsedIn(Sym, static_cast<const MCUnaryExpr*>(Value)->getSubExpr());
diff --git a/test/MC/AsmParser/variables-invalid.s b/test/MC/AsmParser/variables-invalid.s
index c0f6c39876..21758d20c8 100644
--- a/test/MC/AsmParser/variables-invalid.s
+++ b/test/MC/AsmParser/variables-invalid.s
@@ -21,3 +21,7 @@ t2_s0:
t4_s0 = t4_s1
t4_s1 = t4_s2
t4_s2 = t4_s0
+
+// CHECK: Recursive use of 't5_s1'
+ t5_s0 = t5_s1 + 1
+ t5_s1 = t5_s0