MILexer.cpp: Try to fix a warning. [-Wsign-compare]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240525 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MIRParser/MILexer.cpp b/lib/CodeGen/MIRParser/MILexer.cpp
index b836221d9f08ff195966cdaa6256492a5370dce7..0933ae138f2f3a63309188a618fa25db1db63c50 100644 (file)
--- a/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/lib/CodeGen/MIRParser/MILexer.cpp
@@ -33,7 +33,7 @@ public:
 
   bool isEOF() const { return Ptr == End; }
 
-  char peek(unsigned I = 0) const { return End - Ptr <= I ? 0 : Ptr[I]; }
+  char peek(int I = 0) const { return End - Ptr <= I ? 0 : Ptr[I]; }
 
   void advance() { ++Ptr; }