Object, COFF: getRelocationSymbol shouldn't assert

lib/Object is supposed to be robust to malformed object files.  Don't
assert if we don't have a symbol table.  I'll try to come up with a test
case later.

llvm-svn: 221870

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Object/COFFObjectFile.cpp b/llvm/lib/Object/COFFObjectFile.cpp
index 8d8711c7837..8312fed734c 100644
--- a/llvm/lib/Object/COFFObjectFile.cpp
+++ b/llvm/lib/Object/COFFObjectFile.cpp
@@ -996,7 +996,7 @@ symbol_iterator COFFObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
   else if (SymbolTable32)
     Ref.p = reinterpret_cast<uintptr_t>(SymbolTable32 + R->SymbolTableIndex);
   else
-    llvm_unreachable("no symbol table pointer!");
+    return symbol_end();
   return symbol_iterator(SymbolRef(Ref, this));
 }