Cherry-picks for LTS 20260107 (#1990)

* Fix unused variable warning in GCC7

PiperOrigin-RevId: 853321697
Change-Id: I44b09e10e6ca1bb9b9f30a01a0f5acd5923371c1

* Fix self-move handling in absl::linked_hash_{set|map}

PiperOrigin-RevId: 853340964
Change-Id: I818695f01d53b5515be24122e1988e69ad6421d4

Cherry-picks for LTS 20260107 (#1990)

* Fix unused variable warning in GCC7

PiperOrigin-RevId: 853321697
Change-Id: I44b09e10e6ca1bb9b9f30a01a0f5acd5923371c1

* Fix self-move handling in absl::linked_hash_{set|map}

PiperOrigin-RevId: 853340964
Change-Id: I818695f01d53b5515be24122e1988e69ad6421d4

Apply LTS transformations for 20260107 LTS branch (#1989)

Abseil LTS branch, Aug 2025, Patch 1 (#1940)

* Fix CHECK_<OP> ambiguous overload for operator<< in older versions of GCC (ba9a180)
* Fix CHECK_<OP> compilation failures on older versions of GCC which eagerly tries to instantiate std::underlying_type for non-enum types (e8c1a5f)
* Add missing rules_cc loads (2370ccf)

Apply LTS transformations for 20250814 LTS branch (#1920)

Apply LTS transformations for 20250814 LTS branch (#1920)

Abseil LTS Branch, May 2025, Patch 1 (#1900)

Fix conditional constexpr in ToInt64{Nano|Micro|Milli}seconds
under GCC7 and GCC8 using an else clause as a workaround

Fix -Wundef warning

Apply LTS transformations for 20250512 LTS branch (#1886)

* Apply LTS transformations for 20250512 LTS branch

* Cherry-pick google/cctz@306fd9b

Apply LTS transformations for 20250512 LTS branch (#1886)

* Apply LTS transformations for 20250512 LTS branch

* Cherry-pick google/cctz@306fd9b

Abseil LTS Branch, Jan 2025, Patch 1 (#1857)

--

Fix buffer overflow the internal demangling function
The overflow can happen during rollback after a parsing
failure, where the null terminator is written without
verifying the buffer bounds.

Credit to www.code-intelligence.com for reporting this issue

PiperOrigin-RevId: 732995553
Change-Id: Ic5075f53e510d270e1784d593defcd53f9121d02

--

Actually use the hint space instruction to strip PAC bits for return
addresses in stack traces as the comment says

https://android.googlesource.com/platform/libcore/+/71f2c75111e87091616f0f3b86bea6c4d345dad1/src/hotspot/os_cpu/linux_aarch64/pauth_linux_aarch64.inline.hpp

PiperOrigin-RevId: 724360415
Change-Id: I691160e43354131a04919765ce283e07c3c933a9