[all-commits] [llvm/llvm-project] 185302: [libc++abi] Fix lpStart adjustment for exceptions ...

[Maksim Panchenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 185302530847a28f44e48a67a79fd4eba048a1c7
      https://github.com/llvm/llvm-project/commit/185302530847a28f44e48a67a79fd4eba048a1c7
  Author: Maksim Panchenko <maks at fb.com>
  Date:   2023-12-06 (Wed, 06 Dec 2023)

  Changed paths:
    M libcxxabi/src/cxa_personality.cpp
    A libcxxabi/test/native/x86_64/lpstart-zero.pass.sh.s

  Log Message:
  -----------
  [libc++abi] Fix lpStart adjustment for exceptions table (#72727)

When lpStartEncoding is different from DW_EH_PE_omit, lpStart can be set
to zero which is a valid base address for landing pads. Such base value
is useful when landing pads are placed in different sections.

Fixes #72582.