MC/Mach-O: Fix a crash on invalid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103525 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp
index c45fbd5..0b00583 100644
--- a/lib/MC/MachObjectWriter.cpp
+++ b/lib/MC/MachObjectWriter.cpp
@@ -584,7 +584,7 @@
// Add the local offset, if needed.
if (Base != &SD)
Value += Layout.getSymbolAddress(&SD) - Layout.getSymbolAddress(Base);
- } else {
+ } else if (Symbol->isInSection()) {
// The index is the section ordinal (1-based).
Index = SD.getFragment()->getParent()->getOrdinal() + 1;
IsExtern = 0;
@@ -592,6 +592,9 @@
if (IsPCRel)
Value -= Address + (1 << Log2Size);
+ } else {
+ report_fatal_error("unsupported relocation of undefined symbol '" +
+ Symbol->getName() + "'");
}
MCSymbolRefExpr::VariantKind Modifier = Target.getSymA()->getKind();