RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %p/Inputs/dwarfdump-gdbindex.s -o %t.o
RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %p/Inputs/dwarfdump-gdbindex2.s -o %t2.o
RUN: ld.lld --gdb-index %t.o %t2.o -o %tfile.exe
RUN: llvm-bolt %tfile.exe -o %tfile.exe.bolt --update-debug-sections
RUN: llvm-dwarfdump -gdb-index %tfile.exe.bolt | FileCheck %s

;; test.cpp:
;; int main() { return 0; }
;; test2.cpp:
;; int main2() { return 0; }
;; Compiled with:
;; gcc -gsplit-dwarf -c test.cpp test2.cpp
;; gold --gdb-index test.o test2.o -o dwarfdump-gdbindex-v7.elf-x86-64
;; gcc version 5.3.1 20160413, GNU gold (GNU Binutils for Ubuntu 2.26) 1.11
;; Info about gdb-index: https://sourceware.org/gdb/onlinedocs/gdb/Index-Section-Format.html

; CHECK-LABEL: .gdb_index contents:
; CHECK: Version = 7

; CHECK:      CU list offset = 0x18, has 2 entries:
; CHECK-NEXT:   0: Offset = 0x0, Length = 0x4f
; CHECK-NEXT:   1: Offset = 0x4f, Length = 0x53

; CHECK:      Types CU list offset = 0x38, has 0 entries:

; CHECK:      Address area offset = 0x38, has 2 entries:
; CHECK-NEXT:   Low/High address = [0x20117c, 0x201187) (Size: 0xb), CU id = 0
; CHECK-NEXT:   Low/High address = [0x201188, 0x201193) (Size: 0xb), CU id = 1

; CHECK:      Symbol table offset = 0x60, size = 1024, filled slots:

; CHECK:      Constant pool offset = 0x2060, has 0 CU vectors: