Split Finish into Finish and FinishImpl to have a common place to do end of

file error checking. Use that to error on an unfinished cfi_startproc.

The error is not nice, but is already better than a segmentation fault.

llvm-svn: 147717

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 8567941c45a..ce9de9d4c51 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -652,3 +652,10 @@ void MCStreamer::EmitW64Tables() {
 
   MCWin64EHUnwindEmitter::Emit(*this);
 }
+
+void MCStreamer::Finish() {
+  if (!FrameInfos.empty() && !FrameInfos.back().End)
+    report_fatal_error("Unfinished frame!");
+
+  FinishImpl();
+}