=== 各目标编译出的二进制变体 + 插桩类型 ===
检测方法: __sanitizer_cov_trace_pc_guard 符号 = PCGUARD(collision-free);
          仅 __afl_area_ptr 无 pc_guard = CLASSIC(hash-based, 有碰撞);
          .gcda/.gcno = gcov 源码级覆盖(独立于 afl-showmap)。

  freetype2-afl/freetype2_fuzzer                pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  freetype2-cmplog/freetype2_fuzzer             pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  freetype2/freetype2_fuzzer                    pc_guard=0 afl_sym=0 lto=0 -> ?
  google-fts-afl/png_read_fuzzer                pc_guard=9 afl_sym=12 lto=0 -> PCGUARD(collision-free)
  google-fts-afl/xml_read_fuzzer                pc_guard=9 afl_sym=12 lto=0 -> PCGUARD(collision-free)
  google-fts-cov/png_read_fuzzer                pc_guard=0 afl_sym=0 lto=0 -> ?
  google-fts-cov/xml_read_fuzzer                pc_guard=0 afl_sym=0 lto=0 -> ?
  google-fts/png_read_fuzzer                    pc_guard=0 afl_sym=0 lto=0 -> ?
  google-fts/xml_read_fuzzer                    pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m-afl/base64                             pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  lava-m-afl/base64_harness                     pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  lava-m-afl/md5sum                             pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  lava-m-afl/uniq                               pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  lava-m-afl/who                                pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  lava-m-cov/base64                             pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m-cov/md5sum                             pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m-cov/uniq                               pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m-cov/who                                pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m/base64                                 pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m/base64_harness                         pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m/md5sum                                 pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m/uniq                                   pc_guard=0 afl_sym=0 lto=0 -> ?
  lava-m/who                                    pc_guard=0 afl_sym=0 lto=0 -> ?
  libarchive-afl/archive_fuzzer                 pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  libarchive-cmplog/archive_fuzzer              pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  libarchive/archive_fuzzer                     pc_guard=0 afl_sym=0 lto=0 -> ?
  pcre2-afl/pcre2_fuzzer                        pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  pcre2-cmplog/pcre2_fuzzer                     pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  pcre2/pcre2_fuzzer                            pc_guard=0 afl_sym=0 lto=0 -> ?
  sqlite-afl/sqlite_fuzzer                      pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  sqlite-cmplog/sqlite_fuzzer                   pc_guard=9 afl_sym=13 lto=0 -> PCGUARD(collision-free)
  sqlite-hfuzz/sqlite_fuzzer                    pc_guard=5 afl_sym=0 lto=0 -> PCGUARD(collision-free)
  sqlite/sqlite_fuzzer                          pc_guard=0 afl_sym=0 lto=0 -> ?
  synthetic-afl/parallel_scaling                pc_guard=9 afl_sym=11 lto=0 -> PCGUARD(collision-free)
  synthetic/parallel_scaling                    pc_guard=0 afl_sym=0 lto=0 -> ?