chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 101 deletions

diff --git a/third_party/abseil_cpp/absl/debugging/symbolize_darwin.inc b/third_party/abseil_cpp/absl/debugging/symbolize_darwin.inc
deleted file mode 100644
index 443ce9efc4ce..000000000000
--- a/third_party/abseil_cpp/absl/debugging/symbolize_darwin.inc
+++ /dev/null
@@ -1,101 +0,0 @@
-// Copyright 2020 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <cxxabi.h>
-#include <execinfo.h>
-
-#include <algorithm>
-#include <cstring>
-
-#include "absl/base/internal/raw_logging.h"
-#include "absl/debugging/internal/demangle.h"
-#include "absl/strings/numbers.h"
-#include "absl/strings/str_cat.h"
-#include "absl/strings/string_view.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-void InitializeSymbolizer(const char*) {}
-
-namespace debugging_internal {
-namespace {
-
-static std::string GetSymbolString(absl::string_view backtrace_line) {
-  // Example Backtrace lines:
-  // 0   libimaging_shared.dylib             0x018c152a
-  // _ZNSt11_Deque_baseIN3nik7mediadb4PageESaIS2_EE17_M_initialize_mapEm + 3478
-  //
-  // or
-  // 0   libimaging_shared.dylib             0x0000000001895c39
-  // _ZN3nik4util19register_shared_ptrINS_3gpu7TextureEEEvPKvS5_ + 39
-  //
-  // or
-  // 0   mysterious_app                      0x0124000120120009 main + 17
-  auto address_pos = backtrace_line.find(" 0x");
-  if (address_pos == absl::string_view::npos) return std::string();
-  absl::string_view symbol_view = backtrace_line.substr(address_pos + 1);
-
-  auto space_pos = symbol_view.find(" ");
-  if (space_pos == absl::string_view::npos) return std::string();
-  symbol_view = symbol_view.substr(space_pos + 1);  // to mangled symbol
-
-  auto plus_pos = symbol_view.find(" + ");
-  if (plus_pos == absl::string_view::npos) return std::string();
-  symbol_view = symbol_view.substr(0, plus_pos);  // strip remainng
-
-  return std::string(symbol_view);
-}
-
-}  // namespace
-}  // namespace debugging_internal
-
-bool Symbolize(const void* pc, char* out, int out_size) {
-  if (out_size <= 0 || pc == nullptr) {
-    out = nullptr;
-    return false;
-  }
-
-  // This allocates a char* array.
-  char** frame_strings = backtrace_symbols(const_cast<void**>(&pc), 1);
-
-  if (frame_strings == nullptr) return false;
-
-  std::string symbol = debugging_internal::GetSymbolString(frame_strings[0]);
-  free(frame_strings);
-
-  char tmp_buf[1024];
-  if (debugging_internal::Demangle(symbol.c_str(), tmp_buf, sizeof(tmp_buf))) {
-    size_t len = strlen(tmp_buf);
-    if (len + 1 <= static_cast<size_t>(out_size)) {  // +1 for '\0'
-      assert(len < sizeof(tmp_buf));
-      memmove(out, tmp_buf, len + 1);
-    }
-  } else {
-    strncpy(out, symbol.c_str(), out_size);
-  }
-
-  if (out[out_size - 1] != '\0') {
-    // strncpy() does not '\0' terminate when it truncates.
-    static constexpr char kEllipsis[] = "...";
-    int ellipsis_size = std::min<int>(sizeof(kEllipsis) - 1, out_size - 1);
-    memcpy(out + out_size - ellipsis_size - 1, kEllipsis, ellipsis_size);
-    out[out_size - 1] = '\0';
-  }
-
-  return true;
-}
-
-ABSL_NAMESPACE_END
-}  // namespace absl