bolt/test/X86/yaml-unknown-keys.test

## Test that BOLT gracefully handles a YAML profile with unknown keys.

# REQUIRES: system-linux
# RUN: split-file %s %t
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/main.s -o %t.o
# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -nostdlib
# RUN: llvm-bolt %t.exe -o %t.null --data %t/profile.yaml \
# RUN:   --profile-ignore-hash -v=1 2>&1 | FileCheck %s
# CHECK: warning: unknown key 'unknown-header-key'
# CHECK: warning: unknown key 'unknown_succ_key'
# CHECK: warning: unknown key 'unknown_block_key'
# CHECK: warning: unknown key 'unknown_function_key'
# CHECK: warning: unknown key 'unknown_toplev_key'
#--- main.s
  .globl main
  .type main, %function
main:
  .cfi_startproc
  cmpl	$0x0, %eax
  jne .LBB0
.LBB0:
  retq
  .cfi_endproc
.size main, .-main
#--- profile.yaml
---
header:
  profile-version: 1
  binary-name:     'yaml-multiple-profiles.test.tmp.exe'
  binary-build-id: '<unknown>'
  profile-flags:   [ lbr ]
  profile-origin:  branch profile reader
  profile-events:  ''
  dfs-order:       false
  unknown-header-key: true
functions:
  - name:            'main'
    fid:             1
    hash:            0x50BBA3441D436491
    exec:            1
    nblocks:         1
    blocks:
      - bid:             0
        insns:           2
        hash:            0x4D4D8FAF7D4C0000
        succ:            [ { bid: 1, cnt: 0, unknown_succ_key: 0x10 } ]
        unknown_block_key: [ ]
    unknown_function_key: 1
unknown_toplev_key: ''
...