Index: llvm/trunk/include/llvm/Object/ELF.h
===================================================================
--- llvm/trunk/include/llvm/Object/ELF.h
+++ llvm/trunk/include/llvm/Object/ELF.h
@@ -168,7 +168,10 @@
   ErrorOr<const Elf_Shdr *> getSection(uint32_t Index) const;
 
   const Elf_Sym *getSymbol(const Elf_Shdr *Sec, uint32_t Index) const {
-    return &symbols(Sec)[Index];
+    Elf_Sym_Range Symbols = symbols(Sec);
+    if (Index >= Symbols.size())
+      report_fatal_error("Invalid symbol index");
+    return &Symbols[Index];
   }
 
   ErrorOr<StringRef> getSectionName(const Elf_Shdr *Section) const;