Changes imported from Abseil "staging" branch:

  - 5b675ef65e4977b3ac778a75a21e99db1ebe78e7 Remove "not an official google project" disclaimer. by Abseil Team <absl-team@google.com>
  - 77d2aacc03efe6841612b38bcbb745dde1ad7d3e Avoid weak virtual table warnings (-Wweak-vtables) and re... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 5b675ef65e4977b3ac778a75a21e99db1ebe78e7
Change-Id: Ia0d1d6e39169c7ad9783d25dc92dad041de3a966

1 files changed, 7 insertions, 0 deletions

diff --git a/absl/base/internal/malloc_extension.cc b/absl/base/internal/malloc_extension.cc
index 3da981ce06a3..d48ec5bcf548 100644
--- a/absl/base/internal/malloc_extension.cc
+++ b/absl/base/internal/malloc_extension.cc
@@ -29,6 +29,13 @@ namespace base_internal {
 SysAllocator::~SysAllocator() {}
 void SysAllocator::GetStats(char* buffer, int) { buffer[0] = 0; }
 
+// Dummy key method to avoid weak vtable.
+void MallocExtensionWriter::UnusedKeyMethod() {}
+
+void StringMallocExtensionWriter::Write(const char* buf, int len) {
+  out_->append(buf, len);
+}
+
 // Default implementation -- does nothing
 MallocExtension::~MallocExtension() { }
 bool MallocExtension::VerifyAllMemory() { return true; }