Index: ELF/SyntheticSections.cpp
===================================================================
--- ELF/SyntheticSections.cpp
+++ ELF/SyntheticSections.cpp
@@ -1957,6 +1957,11 @@
     }
   }
 
+  // Don't allow the section to shrink; otherwise the size of the section can
+  // oscillate infinitely. Trailing 1s do not decode to more relocations.
+  if (relrRelocs.size() < oldSize)
+    relrRelocs.resize(oldSize, Elf_Relr(1));
+
   return relrRelocs.size() != oldSize;
 }