r233006 - Make Oveflow tracking more legible (CR feedback from Richard Smith on r232999)

[David Blaikie]

Author: dblaikie
Date: Mon Mar 23 14:54:44 2015
New Revision: 233006

URL: http://llvm.org/viewvc/llvm-project?rev=233006&view=rev
Log:
Make Oveflow tracking more legible (CR feedback from Richard Smith on r232999)

Modified:
    cfe/trunk/lib/Lex/LiteralSupport.cpp

Modified: cfe/trunk/lib/Lex/LiteralSupport.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/LiteralSupport.cpp?rev=233006&r1=233005&r2=233006&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/LiteralSupport.cpp (original)
+++ cfe/trunk/lib/Lex/LiteralSupport.cpp Mon Mar 23 14:54:44 2015
@@ -144,7 +144,8 @@ static unsigned ProcessCharEscape(const
       int CharVal = llvm::hexDigitValue(ThisTokBuf[0]);
       if (CharVal == -1) break;
       // About to shift out a digit?
-      Overflow |= ResultChar & 0xF0000000;
+      if (ResultChar & 0xF0000000)
+        Overflow = true;
       ResultChar <<= 4;
       ResultChar |= CharVal;
     }