Fix obscure nasty bug with bytecode writing that could cause the last byte to be dropped.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1123 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Writer/Writer.cpp b/lib/Bytecode/Writer/Writer.cpp
index 87fed4d..d0b2eb4 100644
--- a/lib/Bytecode/Writer/Writer.cpp
+++ b/lib/Bytecode/Writer/Writer.cpp
@@ -225,12 +225,15 @@
const unsigned char *LastPtr = ChunkPtr;
while (I != E) {
const unsigned char *ThisPtr = &*++I;
- if (LastPtr+1 != ThisPtr) break;// Advanced by more than a byte of memory?
+ if (LastPtr+1 != ThisPtr) { // Advanced by more than a byte of memory?
+ ++LastPtr;
+ break;
+ }
LastPtr = ThisPtr;
}
// Write out the chunk...
- Out.write(ChunkPtr, LastPtr-ChunkPtr+(I != E));
+ Out.write(ChunkPtr, LastPtr-ChunkPtr);
}
Out.flush();