Index: cfe/trunk/lib/StaticAnalyzer/Core/SValBuilder.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/SValBuilder.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Core/SValBuilder.cpp
@@ -451,7 +451,7 @@
   NonLoc FromVal = val.castAs<NonLoc>();
   QualType CmpTy = getConditionType();
   NonLoc CompVal =
-      evalBinOpNN(state, BO_LT, FromVal, ToTypeMaxVal, CmpTy).castAs<NonLoc>();
+      evalBinOpNN(state, BO_LE, FromVal, ToTypeMaxVal, CmpTy).castAs<NonLoc>();
   ProgramStateRef IsNotTruncated, IsTruncated;
   std::tie(IsNotTruncated, IsTruncated) = state->assume(CompVal);
   if (!IsNotTruncated && IsTruncated) {
Index: cfe/trunk/test/Analysis/bool-assignment.c
===================================================================
--- cfe/trunk/test/Analysis/bool-assignment.c
+++ cfe/trunk/test/Analysis/bool-assignment.c
@@ -42,6 +42,15 @@
     BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
     return;
   }
+  if (y > 200 && y < 250) {
+    // FIXME: Currently we are loosing this warning due to a SymbolCast in RHS.
+    BOOL x = y; // no-warning
+    return;
+  }
+  if (y >= 127 && y < 150) {
+    BOOL x = y; // expected-warning{{Assignment of a non-Boolean value}}
+    return;
+  }
   if (y > 1) {
     BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
     return;