Export of internal Abseil changes

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8726480d631a3736347f542dab5628d5e2ace3c1 by Mark Barolak <mbar@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 323414814

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abc4a382a29fb857432e0e13a8c21ebe808f9828 by Abseil Team <absl-team@google.com>:

Fix buffer overflow when the result of demangling doesn't fit.

PiperOrigin-RevId: 323392968

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7ed3e514519a971322d0a3333c7e85ed1f2a5f71 by Gennadiy Rozental <rogeeff@google.com>:

Move ABSL_DEPRECATED and ABSL_FALLTHROUGH_INTENDED from base.h into attribute.h.

PiperOrigin-RevId: 323137526

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fc0afdb0792d565065d25feb9680972218355f90 by Xiaoyi Zhang <zhangxy@google.com>:

Add documentation for `absl::StatusCode`.

PiperOrigin-RevId: 323065623
GitOrigin-RevId: 8726480d631a3736347f542dab5628d5e2ace3c1
Change-Id: I9d39650e49ff265cd2dafee302013694e97c813f

1 files changed, 7 insertions, 5 deletions

diff --git a/absl/time/internal/cctz/src/time_zone_info.cc b/absl/time/internal/cctz/src/time_zone_info.cc
index 7ccda113..c7bf0447 100644
--- a/absl/time/internal/cctz/src/time_zone_info.cc
+++ b/absl/time/internal/cctz/src/time_zone_info.cc
@@ -365,8 +365,10 @@ bool TimeZoneInfo::ExtendTransitions() {
   std::int_fast64_t jan1_time = jan1 - civil_second();
   int jan1_weekday = ToPosixWeekday(get_weekday(jan1));
 
-  Transition dst = {0, dst_ti, civil_second(), civil_second()};
-  Transition std = {0, std_ti, civil_second(), civil_second()};
+  Transition dst = {0, static_cast<uint_least8_t>(dst_ti), civil_second(),
+                    civil_second()};
+  Transition std = {0, static_cast<uint_least8_t>(std_ti), civil_second(),
+                    civil_second()};
   for (const year_t limit = last_year_ + 400;; ++last_year_) {
     auto dst_trans_off = TransOffset(leap_year, jan1_weekday, posix.dst_start);
     auto std_trans_off = TransOffset(leap_year, jan1_weekday, posix.dst_end);
@@ -725,9 +727,9 @@ bool TimeZoneInfo::Load(const std::string& name) {
 
   // Find and use a ZoneInfoSource to load the named zone.
   auto zip = cctz_extension::zone_info_source_factory(
-      name, [](const std::string& name) -> std::unique_ptr<ZoneInfoSource> {
-        if (auto zip = FileZoneInfoSource::Open(name)) return zip;
-        if (auto zip = AndroidZoneInfoSource::Open(name)) return zip;
+      name, [](const std::string& n) -> std::unique_ptr<ZoneInfoSource> {
+        if (auto z = FileZoneInfoSource::Open(n)) return z;
+        if (auto z = AndroidZoneInfoSource::Open(n)) return z;
         return nullptr;
       });
   return zip != nullptr && Load(zip.get());