This covers the following line with a test:
https://github.com/llvm-mirror/lld/blob/master/ELF/InputFiles.cpp#L487
llvm-svn: 339876
--- /dev/null
+# REQUIRES: x86
+# RUN: yaml2obj %s -o %t.o
+# RUN: not ld.lld %t.o -o %t.exe 2>&1 | FileCheck %s
+# CHECK: invalid sh_link index: 12345
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .linkorder
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_LINK_ORDER ]
+ Link: 12345