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-rw-r--r--absl/base/internal/exception_safety_testing.h4
-rw-r--r--absl/base/thread_annotations.h4
-rw-r--r--absl/strings/internal/ostringstream.h2
3 files changed, 5 insertions, 5 deletions
diff --git a/absl/base/internal/exception_safety_testing.h b/absl/base/internal/exception_safety_testing.h
index aca27a575c34..d2742456fec3 100644
--- a/absl/base/internal/exception_safety_testing.h
+++ b/absl/base/internal/exception_safety_testing.h
@@ -1,7 +1,7 @@
 // Utilities for testing exception-safety
 
-#ifndef ABSL_BASE_INTERNAL_EXCEPTION_TESTING_H_
-#define ABSL_BASE_INTERNAL_EXCEPTION_TESTING_H_
+#ifndef ABSL_BASE_INTERNAL_EXCEPTION_SAFETY_TESTING_H_
+#define ABSL_BASE_INTERNAL_EXCEPTION_SAFETY_TESTING_H_
 
 #include <cstddef>
 #include <cstdint>
diff --git a/absl/base/thread_annotations.h b/absl/base/thread_annotations.h
index 53816005588e..626b0578f321 100644
--- a/absl/base/thread_annotations.h
+++ b/absl/base/thread_annotations.h
@@ -52,7 +52,7 @@
 //   Mutex mu;
 //   int p1 GUARDED_BY(mu);
 #define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
-#define GUARDED_VAR   THREAD_ANNOTATION_ATTRIBUTE__(guarded)
+#define GUARDED_VAR  // no-op
 
 // PT_GUARDED_BY()
 //
@@ -72,7 +72,7 @@
 //     // guarded by `mu2`:
 //     int *q GUARDED_BY(mu1) PT_GUARDED_BY(mu2);
 #define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
-#define PT_GUARDED_VAR   THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded)
+#define PT_GUARDED_VAR  // no-op
 
 // ACQUIRED_AFTER() / ACQUIRED_BEFORE()
 //
diff --git a/absl/strings/internal/ostringstream.h b/absl/strings/internal/ostringstream.h
index 017632a9292e..013146599d3d 100644
--- a/absl/strings/internal/ostringstream.h
+++ b/absl/strings/internal/ostringstream.h
@@ -75,7 +75,7 @@ class OStringStream : private std::basic_streambuf<char>, public std::ostream {
  private:
   using Buf = std::basic_streambuf<char>;
 
-  Buf::int_type overflow(int c = Buf::traits_type::eof()) override {
+  Buf::int_type overflow(int c) override {
     assert(s_);
     if (!Buf::traits_type::eq_int_type(c, Buf::traits_type::eof()))
       s_->push_back(static_cast<char>(c));