From ab92654a37348637c134c8d24264b8cbf56d9ff8 Mon Sep 17 00:00:00 2001
From: Rose <83477269+AtariDreams@users.noreply.github.com>
Date: Thu, 16 Feb 2023 12:20:06 -0500
Subject: Convert empty constructors to default ones

These make the changed constructors match closer to the other ones that are default.
---
 absl/crc/internal/crc_internal.h       | 6 +++---
 absl/debugging/leak_check.cc           | 4 ++--
 absl/flags/internal/commandlineflag.cc | 2 +-
 absl/log/internal/nullstream.h         | 2 +-
 absl/types/optional.h                  | 2 +-
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/absl/crc/internal/crc_internal.h b/absl/crc/internal/crc_internal.h
index 0611b383..9f080913 100644
--- a/absl/crc/internal/crc_internal.h
+++ b/absl/crc/internal/crc_internal.h
@@ -64,7 +64,7 @@ class CRCImpl : public CRC {  // Implemention of the abstract class CRC
  public:
   using Uint32By256 = uint32_t[256];
 
-  CRCImpl() {}
+  CRCImpl() = default;
   ~CRCImpl() override = default;
 
   // The internal version of CRC::New().
@@ -96,8 +96,8 @@ class CRCImpl : public CRC {  // Implemention of the abstract class CRC
 // This is the 32-bit implementation.  It handles all sizes from 8 to 32.
 class CRC32 : public CRCImpl {
  public:
-  CRC32() {}
-  ~CRC32() override {}
+  CRC32() = default;
+  ~CRC32() override = default;
 
   void Extend(uint32_t* crc, const void* bytes, size_t length) const override;
   void ExtendByZeroes(uint32_t* crc, size_t length) const override;
diff --git a/absl/debugging/leak_check.cc b/absl/debugging/leak_check.cc
index 195e82bf..fdb8798b 100644
--- a/absl/debugging/leak_check.cc
+++ b/absl/debugging/leak_check.cc
@@ -65,8 +65,8 @@ bool LeakCheckerIsActive() { return false; }
 void DoIgnoreLeak(const void*) { }
 void RegisterLivePointers(const void*, size_t) { }
 void UnRegisterLivePointers(const void*, size_t) { }
-LeakCheckDisabler::LeakCheckDisabler() { }
-LeakCheckDisabler::~LeakCheckDisabler() { }
+LeakCheckDisabler::LeakCheckDisabler() = default;
+LeakCheckDisabler::~LeakCheckDisabler() = default;
 ABSL_NAMESPACE_END
 }  // namespace absl
 
diff --git a/absl/flags/internal/commandlineflag.cc b/absl/flags/internal/commandlineflag.cc
index 4482955c..3c114d10 100644
--- a/absl/flags/internal/commandlineflag.cc
+++ b/absl/flags/internal/commandlineflag.cc
@@ -19,7 +19,7 @@ namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace flags_internal {
 
-FlagStateInterface::~FlagStateInterface() {}
+FlagStateInterface::~FlagStateInterface() = default;
 
 }  // namespace flags_internal
 ABSL_NAMESPACE_END
diff --git a/absl/log/internal/nullstream.h b/absl/log/internal/nullstream.h
index 8ed63d52..16f5f495 100644
--- a/absl/log/internal/nullstream.h
+++ b/absl/log/internal/nullstream.h
@@ -114,7 +114,7 @@ class NullStreamMaybeFatal final : public NullStream {
 // and expression-defined severity use `NullStreamMaybeFatal` above.
 class NullStreamFatal final : public NullStream {
  public:
-  NullStreamFatal() {}
+  NullStreamFatal() = default;
   // ABSL_ATTRIBUTE_NORETURN doesn't seem to work on destructors with msvc, so
   // disable msvc's warning about the d'tor never returning.
 #if defined(_MSC_VER) && !defined(__clang__)
diff --git a/absl/types/optional.h b/absl/types/optional.h
index 134b2aff..e42ab4d0 100644
--- a/absl/types/optional.h
+++ b/absl/types/optional.h
@@ -130,7 +130,7 @@ class optional : private optional_internal::optional_data<T>,
 
   // Constructs an `optional` holding an empty value, NOT a default constructed
   // `T`.
-  constexpr optional() noexcept {}
+  constexpr optional() noexcept = default;
 
   // Constructs an `optional` initialized with `nullopt` to hold an empty value.
   constexpr optional(nullopt_t) noexcept {}  // NOLINT(runtime/explicit)
-- 
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