Fixed signed/unsigned warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265052 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Bitcode/ReaderWriter.h b/include/llvm/Bitcode/ReaderWriter.h
index f8582cc..bbce15a 100644 (file)
--- a/include/llvm/Bitcode/ReaderWriter.h
+++ b/include/llvm/Bitcode/ReaderWriter.h
@@ -171,7 +171,7 @@ namespace llvm {
                                        const unsigned char *&BufEnd,
                                        bool VerifyBufferSize) {
     // Must contain the offset and size field!
-    if (BufEnd - BufPtr < BWH_SizeField + 4)
+    if (unsigned(BufEnd - BufPtr) < BWH_SizeField + 4)
       return true;
 
     unsigned Offset = support::endian::read32le(&BufPtr[BWH_OffsetField]);