Omit a default argument

llvm-svn: 230337
diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp
index ff15e97..78db4a4 100644
--- a/polly/lib/Analysis/ScopInfo.cpp
+++ b/polly/lib/Analysis/ScopInfo.cpp
@@ -551,9 +551,8 @@
     return;
 
   unsigned BW = Range.getBitWidth();
-  auto Min = Range.getSignedMin().sdiv(APInt(BW, ElementSize, false));
-  auto Max = (Range.getSignedMax() - APInt(BW, 1, false))
-                 .sdiv(APInt(BW, ElementSize, false));
+  auto Min = Range.getSignedMin().sdiv(APInt(BW, ElementSize));
+  auto Max = (Range.getSignedMax() - APInt(BW, 1)).sdiv(APInt(BW, ElementSize));
 
   isl_set *AccessRange = isl_map_range(isl_map_copy(AccessRelation));
   AccessRange =