diff options
Diffstat (limited to 'llvm/lib/MC/MCStreamer.cpp')
| -rw-r--r-- | llvm/lib/MC/MCStreamer.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp index eca1ed7d7fe..bdcdb970cc1 100644 --- a/llvm/lib/MC/MCStreamer.cpp +++ b/llvm/lib/MC/MCStreamer.cpp @@ -515,6 +515,8 @@ void MCStreamer::EmitWinCFISetFrame(unsigned Register, unsigned Offset) { void MCStreamer::EmitWinCFIAllocStack(unsigned Size) { EnsureValidW64UnwindInfo(); + if (Size == 0) + report_fatal_error("Allocation size must be non-zero!"); if (Size & 7) report_fatal_error("Misaligned stack allocation!"); MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; |
