Fix clamp for double

Author: vitalybuka

clang/lib/Basic/Sanitizers.cpp

@@ -75,10 +75,10 @@ bool clang::parseSanitizerWeightedValue(StringRef Value, bool AllowGroups,
   double A;
   if (W.getAsDouble(A))
     return false;
-  float C = std::clamp(A, 0.0, 1.0);
+  A = std::clamp(A, 0.0, 1.0);
   // AllowGroups is already taken into account for ParsedKind,
   // hence we unconditionally expandSanitizerGroups.
-  Cutoffs.set(expandSanitizerGroups(ParsedKind), C);
+  Cutoffs.set(expandSanitizerGroups(ParsedKind), A);
   return true;
 }