[dwarfdump] Fix off-by-one bug in accelerator table extractor.
This fixes a bug where the verifier was complaining about empty
accelerator tables. When the table is empty, its size is not a valid
offset as it points after the end of the section.
This patch also makes the extractor return llvm:Error instead of bool
for better error reporting in the verifier.
Differential revision: https://reviews.llvm.org/D41063
rdar://35932007
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320399 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed