[clang] aa245dd - [clang][lex] NFC: Add explicit cast to silence -Wsign-compare

[Jan Svoboda via cfe-commits]

Author: Jan Svoboda
Date: 2021-07-22T12:21:12+02:00
New Revision: aa245ddd4627c98083eb372b95e049073aeb36d2

URL: https://github.com/llvm/llvm-project/commit/aa245ddd4627c98083eb372b95e049073aeb36d2
DIFF: https://github.com/llvm/llvm-project/commit/aa245ddd4627c98083eb372b95e049073aeb36d2.diff

LOG: [clang][lex] NFC: Add explicit cast to silence -Wsign-compare

Added: 
    

Modified: 
    clang/lib/Lex/LiteralSupport.cpp

Removed: 
    


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diff  --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index bfcb3c478b62d..85d826ce9c6f7 100644
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -1660,7 +1660,8 @@ void StringLiteralParser::init(ArrayRef<Token> StringToks){
       constexpr unsigned MaxRawStrDelimLen = 16;
 
       const char *Prefix = ThisTokBuf;
-      while (ThisTokBuf - Prefix < MaxRawStrDelimLen && ThisTokBuf[0] != '(')
+      while (static_cast<unsigned>(ThisTokBuf - Prefix) < MaxRawStrDelimLen &&
+             ThisTokBuf[0] != '(')
         ++ThisTokBuf;
       if (ThisTokBuf[0] != '(')
         return DiagnoseLexingError(StringToks[i].getLocation());