[all-commits] [llvm/llvm-project] 0dbd80: [scudo] Only init RingBuffer when needed. (#85994)

[Christopher Ferris via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0dbd804a690720688d8234d8bdaee8f8f4fdcddc
      https://github.com/llvm/llvm-project/commit/0dbd804a690720688d8234d8bdaee8f8f4fdcddc
  Author: Christopher Ferris <cferris1000 at users.noreply.github.com>
  Date:   2024-03-29 (Fri, 29 Mar 2024)

  Changed paths:
    M compiler-rt/lib/scudo/standalone/combined.h
    M compiler-rt/lib/scudo/standalone/tests/combined_test.cpp

  Log Message:
  -----------
  [scudo] Only init RingBuffer when needed. (#85994)

Only attempt to initialize the ring buffer when tracking is enabled.

Updated unit tests, and added a few new unit tests to verify the
RingBuffer is not initialized by default.

Verified that the two maps associated with the RingBuffer are not
created in processes by default.



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