llvm-objdump: don't print relocations in non-relocatable files.

This matches the behavior of GNU objdump.

llvm-svn: 215844
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index d7c9df1..791011d 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -562,6 +562,11 @@
 static void PrintRelocations(const ObjectFile *Obj) {
   StringRef Fmt = Obj->getBytesInAddress() > 4 ? "%016" PRIx64 :
                                                  "%08" PRIx64;
+  // Regular objdump doesn't print relocations in non-relocatable object
+  // files.
+  if (!Obj->isRelocatableObject())
+    return;
+
   for (const SectionRef &Section : Obj->sections()) {
     if (Section.relocation_begin() == Section.relocation_end())
       continue;