Bug 671188 - Don't fail on R_*_NONE relocations with an empty r_offset. r=tglek

build/unix/elfhack/elfhack.cpp

@@ -416,6 +416,9 @@ int do_relocation_section(Elf *elf, unsigned int rel_type, unsigned int rel_type
     int entry_sz = (elf->getClass() == ELFCLASS32) ? 4 : 8;
     for (typename std::vector<Rel_Type>::iterator i = section->rels.begin();
          i != section->rels.end(); i++) {
+        // We don't need to keep R_*_NONE relocations
+        if (!ELF32_R_TYPE(i->r_info))
+            continue;
         ElfSection *section = elf->getSectionAt(i->r_offset);
         // __cxa_pure_virtual is a function used in vtables to point at pure
         // virtual methods. The __cxa_pure_virtual function usually abort()s.