Maksim Panchenko 1d5393526c [BOLT] Change base class of ExecutableFileMemoryManager ...

When we derive EFMM from SectionMemoryManager, it brings into EFMM extra
functionality, such as the registry of exception handling sections,
page permission management, etc. Such functionality is of no use to
llvm-bolt and can even be detrimental (see
https://github.com/llvm/llvm-project/issues/56726).

Change the base class of ExecutableFileMemoryManager to MemoryManager,
avoid registering EH sections, and skip memory finalization.

Fixes #56726

Reviewed By: yota9

Differential Revision: https://reviews.llvm.org/D133994

2022-09-16 13:39:12 -07:00

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