[PATCH] D26016: BitcodeReader: Require clients to read the block info block at most once.

[Peter Collingbourne via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL285350: BitcodeReader: Require clients to read the block info block at most once. (authored by pcc).

Changed prior to commit:
  https://reviews.llvm.org/D26016?vs=76103&id=76107#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D26016

Files:
  llvm/trunk/lib/Bitcode/Reader/BitstreamReader.cpp


Index: llvm/trunk/lib/Bitcode/Reader/BitstreamReader.cpp
===================================================================
--- llvm/trunk/lib/Bitcode/Reader/BitstreamReader.cpp
+++ llvm/trunk/lib/Bitcode/Reader/BitstreamReader.cpp
@@ -319,9 +319,9 @@
 }
 
 bool BitstreamCursor::ReadBlockInfoBlock() {
-  // If this is the second stream to get to the block info block, skip it.
+  // We expect the client to read the block info block at most once.
   if (getBitStreamReader()->hasBlockInfoRecords())
-    return SkipBlock();
+    report_fatal_error("Duplicate read of block info block");
 
   if (EnterSubBlock(bitc::BLOCKINFO_BLOCK_ID)) return true;
 


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