[PATCH] D42722: [MC] Fix assembler infinite loop on EH table using LEB padding

[Ryan Prichard via Phabricator via llvm-commits]

rprichard created this revision.
Herald added subscribers: llvm-commits, emaste.

Fix the infinite loop reported in PR35809. It can occur with GCC-style
EH table assembly, where the compiler relies on the assembler to
calculate the offsets in the EH table.

Also see https://sourceware.org/bugzilla/show_bug.cgi?id=4029 for the
equivalent issue in the GNU assembler.


Repository:
  rL LLVM

https://reviews.llvm.org/D42722

Files:
  include/llvm/MC/MCFragment.h
  lib/MC/MCAssembler.cpp
  test/MC/ELF/uleb-ehtable.s
  test/MC/ELF/uleb-optimal.s

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