Export of internal Abseil changes

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e21e960918678629abf89ad1b694b7d4a456b434 by Greg Falcon <gfalcon@google.com>:

Roll back invoke() change due to large increases in compiler memory usage.

PiperOrigin-RevId: 315919455

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f95872e1e1d7afdefbac94f42ea228d42d80eb6e by Greg Falcon <gfalcon@google.com>:

Rollback of invoke() changes due to compiler memory usage growth

PiperOrigin-RevId: 315911585

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6c6c6ba6892016a2ce4703042800254fb9b15727 by Laramie Leavitt <lar@google.com>:

Move some of the common mocking code into MockHelpers.

Use MockHelpers to do mock signature detection and improve the dispatch mechansim.

PiperOrigin-RevId: 315825988

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5e9380367d280c7fa6dbd4d0f48c31ade7f1d419 by Greg Falcon <gfalcon@google.com>:

Rename the internal implementation details Invoke and InvokeT to `invoke` and `invoke_result_t`, since these are re-implementations of C++17 library entites of the same names.

PiperOrigin-RevId: 315790467
GitOrigin-RevId: e21e960918678629abf89ad1b694b7d4a456b434
Change-Id: Ia75011f94cb033c1c9a4cb64cf14d283b91426ac

1 files changed, 3 insertions, 4 deletions

diff --git a/absl/random/mocking_bit_gen.h b/absl/random/mocking_bit_gen.h
index c3c7d44d..6d2f2c83 100644
--- a/absl/random/mocking_bit_gen.h
+++ b/absl/random/mocking_bit_gen.h
@@ -53,10 +53,9 @@ namespace absl {
 ABSL_NAMESPACE_BEGIN
 
 namespace random_internal {
-template <typename, typename>
-struct MockSingleOverload;
 template <typename>
 struct DistributionCaller;
+class MockHelpers;
 
 }  // namespace random_internal
 class BitGenRef;
@@ -216,11 +215,11 @@ class MockingBitGen {
   std::vector<std::function<void()>> deleters_;
   absl::BitGen gen_;
 
-  template <typename, typename>
-  friend struct ::absl::random_internal::MockSingleOverload;  // for Register
   template <typename>
   friend struct ::absl::random_internal::DistributionCaller;  // for InvokeMock
   friend class ::absl::BitGenRef;                             // for InvokeMock
+  friend class ::absl::random_internal::MockHelpers;  // for RegisterMock,
+                                                      // InvokeMock
 };
 
 ABSL_NAMESPACE_END