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llvm-mc: Fix a crash on invalid due to a typo in relocatable expression
evaluation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78692 91177308-0d34-0410-b5e6-96231b3b80d8
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test/MC/AsmParser/exprs-invalid.s
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8
test/MC/AsmParser/exprs-invalid.s
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@ -0,0 +1,8 @@
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// RUN: not llvm-mc -triple i386-unknown-unknown %s 2> %t
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// RUN: FileCheck -input-file %t %s
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.text
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a:
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.data
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// CHECK: expected relocatable expression
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.long -(0 + a)
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@ -81,7 +81,7 @@ bool AsmExpr::EvaluateAsRelocatable(MCContext &Ctx, MCValue &Res) const {
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break;
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case AsmUnaryExpr::Minus:
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/// -(a - b + const) ==> (b - a - const)
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if (Value.getSymA() && !Value.getSymA())
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if (Value.getSymA() && !Value.getSymB())
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return false;
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Res = MCValue::get(Value.getSymB(), Value.getSymA(),
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-Value.getConstant());
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