Revert "[analyzer] Fix crash analyzing _BitInt() in evalIntegralCast (llvm#65887)"

This reverts commit 4898c33.

Lots of buildbots are failing, probably because lots of targets not supporting
large _BitInt types.

Author: bjope

clang/lib/StaticAnalyzer/Core/SValBuilder.cpp

@@ -598,9 +598,11 @@ SVal SValBuilder::evalIntegralCast(ProgramStateRef state, SVal val,
   APSIntType ToType(getContext().getTypeSize(castTy),
                     castTy->isUnsignedIntegerType());
   llvm::APSInt ToTypeMax = ToType.getMaxValue();
-
-  NonLoc ToTypeMaxVal = makeIntVal(ToTypeMax);
-
+  NonLoc ToTypeMaxVal =
+      makeIntVal(ToTypeMax.isUnsigned() ? ToTypeMax.getZExtValue()
+                                        : ToTypeMax.getSExtValue(),
+                 castTy)
+          .castAs<NonLoc>();
   // Check the range of the symbol being casted against the maximum value of the
   // target type.
   NonLoc FromVal = val.castAs<NonLoc>();