Fix bits check in ELFObjectFile::isSectionZeroInit().

Fixes PR14723.

Patch by Sami Liedes!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171309 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Object/readobj-shared-object.test b/test/Object/readobj-shared-object.test
index c1dd15b..3065c6f 100644
--- a/test/Object/readobj-shared-object.test
+++ b/test/Object/readobj-shared-object.test
@@ -65,7 +65,7 @@
 ELF:  .dynamic                    {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  required
 ELF:  .got.plt                    {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  data,required
 ELF:  .data                       {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  data,required
-ELF:  .bss                        {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[a-z,]*}}
+ELF:  .bss                        {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  bss,required,virtual,zeroinit
 ELF:  .shstrtab                   {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  rodata
 ELF:  .symtab                     {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  rodata
 ELF:  .strtab                     {{[0-9a-f]+}}  {{[0-9a-f]+}}  {{[0-9a-f]+}}  rodata