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| author | Martin Storsjö <martin@martin.st> | 2020-09-11 11:14:45 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2020-09-11 11:17:01 +0300 |
| commit | e6419d320d501077d1c5e1e7e1291a1ec6573877 (patch) | |
| tree | ff422731fc187e41d4564df551d56cae1e9292ba /llvm/lib/MC/MCWin64EH.cpp | |
| parent | a68673cc067a190f5a9d0f0e3e4837601caf4504 (diff) | |
| download | llvm-e6419d320d501077d1c5e1e7e1291a1ec6573877.zip llvm-e6419d320d501077d1c5e1e7e1291a1ec6573877.tar.gz llvm-e6419d320d501077d1c5e1e7e1291a1ec6573877.tar.bz2 | |
[MC] [Win64EH] Fix builds with expensive checks enabled
This fixes a failed assert if expensive checks are enabled,
since 1308bb99e06752ab0b5175c92da31083f91af921.
Diffstat (limited to 'llvm/lib/MC/MCWin64EH.cpp')
| -rw-r--r-- | llvm/lib/MC/MCWin64EH.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCWin64EH.cpp b/llvm/lib/MC/MCWin64EH.cpp index a585b50..8e8dba7 100644 --- a/llvm/lib/MC/MCWin64EH.cpp +++ b/llvm/lib/MC/MCWin64EH.cpp @@ -632,9 +632,11 @@ static int checkPackedEpilog(MCStreamer &streamer, WinEH::FrameInfo *info, if (DistanceFromEnd / 4 != Epilog.size()) return -1; - int Offset = ARM64CountOfUnwindCodes( - ArrayRef<WinEH::Instruction>(&info->Instructions[Epilog.size()], - info->Instructions.size() - Epilog.size())); + int Offset = Epilog.size() == info->Instructions.size() + ? 0 + : ARM64CountOfUnwindCodes(ArrayRef<WinEH::Instruction>( + &info->Instructions[Epilog.size()], + info->Instructions.size() - Epilog.size())); // Check that the offset and prolog size fits in the first word; it's // unclear whether the epilog count in the extension word can be taken |