From b6798a513029c88781d889d30017d9c069be117c Mon Sep 17 00:00:00 2001
From: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Date: Mon, 5 Feb 2024 22:31:58 -0500
Subject: [PATCH] amputate unused kCrashWithStats

---
 src/internal_logging.cc | 20 --------------------
 src/internal_logging.h  |  1 -
 src/tcmalloc.cc         |  1 -
 3 files changed, 22 deletions(-)

diff --git a/src/internal_logging.cc b/src/internal_logging.cc
index 95ecdf6..f3368a9 100644
--- a/src/internal_logging.cc
+++ b/src/internal_logging.cc
@@ -45,13 +45,6 @@
 #include "base/logging.h"
 #include "base/spinlock.h"              // for SpinLockHolder, SpinLock
 
-// Variables for storing crash output.  Allocated statically since we
-// may not be able to heap-allocate while crashing.
-static SpinLock crash_lock;
-static bool crashed = false;
-static const int kStatsBufferSize = 16 << 10;
-static char stats_buffer[kStatsBufferSize] = { 0 };
-
 namespace tcmalloc {
 
 static void WriteMessage(const char* msg, int length) {
@@ -100,20 +93,7 @@ void Log(LogMode mode, const char* filename, int line,
     return;
   }
 
-  bool first_crash = false;
-  {
-    SpinLockHolder l(&crash_lock);
-    if (!crashed) {
-      crashed = true;
-      first_crash = true;
-    }
-  }
-
   (*log_message_writer)(state.buf_, msglen);
-  if (first_crash && mode == kCrashWithStats) {
-    MallocExtension::instance()->GetStats(stats_buffer, kStatsBufferSize);
-    (*log_message_writer)(stats_buffer, strlen(stats_buffer));
-  }
 
   abort();
 }
diff --git a/src/internal_logging.h b/src/internal_logging.h
index e864e45..661c9e5 100644
--- a/src/internal_logging.h
+++ b/src/internal_logging.h
@@ -55,7 +55,6 @@ namespace tcmalloc {
 enum LogMode {
   kLog,                       // Just print the message
   kCrash,                     // Print the message and crash
-  kCrashWithStats             // Print the message, some stats, and crash
 };
 
 class Logger;
diff --git a/src/tcmalloc.cc b/src/tcmalloc.cc
index 6da3d06..4c34040 100644
--- a/src/tcmalloc.cc
+++ b/src/tcmalloc.cc
@@ -146,7 +146,6 @@ using std::vector;
 
 using tcmalloc::kLog;
 using tcmalloc::kCrash;
-using tcmalloc::kCrashWithStats;
 using tcmalloc::Log;
 using tcmalloc::PageHeap;
 using tcmalloc::PageHeapAllocator;