[all-commits] [llvm/llvm-project] 7c260d: [scudo] Fix reallocate for MTE. (#190086)

[Christopher Ferris via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7c260d3966534031f9fe3a35b54887f6d979606d
      https://github.com/llvm/llvm-project/commit/7c260d3966534031f9fe3a35b54887f6d979606d
  Author: Christopher Ferris <cferris1000 at users.noreply.github.com>
  Date:   2026-04-01 (Wed, 01 Apr 2026)

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

  Log Message:
  -----------
  [scudo] Fix reallocate for MTE. (#190086)

For MTE, we can't use the whole size or we might trigger a segfault.
Therefore, use the exact size when MTE is enabled or the exact usable
size parameter is true.

Also, optimize out the call to getUsableSize and use a simpler
calculation.



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