--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lld/test/ELF/relocatable-comdat.s	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,47 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+# RUN: ld.lld -r %t.o %t.o -o %t
+# RUN: llvm-readobj --elf-section-groups --sections %t | FileCheck %s
+
+# CHECK:        Name: .text.bar
+# CHECK-NEXT:   Type: SHT_PROGBITS
+# CHECK-NEXT:   Flags [
+# CHECK-NEXT:     SHF_ALLOC
+# CHECK-NEXT:     SHF_EXECINSTR
+# CHECK-NEXT:     SHF_GROUP
+# CHECK-NEXT:   ]
+# CHECK-NEXT:   Address:
+# CHECK-NEXT:   Offset:
+# CHECK-NEXT:   Size: 8
+# CHECK:      Section {
+# CHECK-NEXT:   Index: 4
+# CHECK-NEXT:   Name: .text.foo
+# CHECK-NEXT:   Type: SHT_PROGBITS
+# CHECK-NEXT:   Flags [
+# CHECK-NEXT:     SHF_ALLOC
+# CHECK-NEXT:     SHF_EXECINSTR
+# CHECK-NEXT:     SHF_GROUP
+# CHECK-NEXT:   ]
+# CHECK-NEXT:   Address:
+# CHECK-NEXT:   Offset:
+# CHECK-NEXT:   Size: 4
+
+# CHECK:       Groups {
+# CHECK-NEXT:    Group {
+# CHECK-NEXT:      Name: .group
+# CHECK-NEXT:      Index: 2
+# CHECK-NEXT:      Link: 6
+# CHECK-NEXT:      Info: 1 
+# CHECK-NEXT:      Type: COMDAT
+# CHECK-NEXT:      Signature: abc
+# CHECK-NEXT:      Section(s) in group [
+# CHECK-NEXT:        .text.bar
+# CHECK-NEXT:        .text.foo
+# CHECK-NEXT:      ]
+# CHECK-NEXT:    }
+# CHECK-NEXT:  }
+
+.section .text.bar,"axG",@progbits,abc,comdat
+.quad 42
+.section .text.foo,"axG",@progbits,abc,comdat
+.long 42