diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2014-04-28 12:40:50 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2014-04-28 12:40:50 +0000 |
| commit | c074b096d5d338659cf24a029c77c4b3e4c1ddb0 (patch) | |
| tree | 615900146e980d3d512d1504c1f3df6dba8e1a8e /lib/MC/ELFObjectWriter.cpp | |
| parent | 696bbc59ae5d8e8285b6bd7aba0b90bb30ee330a (diff) | |
| download | llvm-c074b096d5d338659cf24a029c77c4b3e4c1ddb0.tar.gz llvm-c074b096d5d338659cf24a029c77c4b3e4c1ddb0.tar.bz2 llvm-c074b096d5d338659cf24a029c77c4b3e4c1ddb0.tar.xz | |
Produce an error instead of a crash in an expr we cannot represent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207414 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/ELFObjectWriter.cpp')
| -rw-r--r-- | lib/MC/ELFObjectWriter.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp index e8b34d56f5..12b5f595ca 100644 --- a/lib/MC/ELFObjectWriter.cpp +++ b/lib/MC/ELFObjectWriter.cpp @@ -606,7 +606,12 @@ static const MCSymbol *getBaseSymbol(const MCAsmLayout &Layout, MCValue Value; if (!Expr->EvaluateAsRelocatable(Value, &Layout)) llvm_unreachable("Invalid Expression"); - assert(!Value.getSymB()); + const MCSymbolRefExpr *RefB = Value.getSymB(); + if (RefB) { + Layout.getAssembler().getContext().FatalError( + SMLoc(), Twine("symbol '") + RefB->getSymbol().getName() + + "' could not be evaluated in a subtraction expression"); + } const MCSymbolRefExpr *A = Value.getSymA(); if (!A) return nullptr; |