[ConstraintSystem] Adds a new overload for getConstraintLocator that automatically gets the summary flags

Author: theblixguy

lib/Sema/ConstraintSystem.cpp

@@ -374,6 +374,12 @@ getAlternativeLiteralTypes(KnownProtocolKind kind) {
   return *AlternativeLiteralTypes[index];
 }
 
+ConstraintLocator *ConstraintSystem::getConstraintLocator(
+    Expr *anchor, ArrayRef<ConstraintLocator::PathElement> path) {
+  auto summaryFlags = ConstraintLocator::getSummaryFlagsForPath(path);
+  return getConstraintLocator(anchor, path, summaryFlags);
+}
+
 ConstraintLocator *ConstraintSystem::getConstraintLocator(
                      Expr *anchor,
                      ArrayRef<ConstraintLocator::PathElement> path,

lib/Sema/ConstraintSystem.h

@@ -1921,6 +1921,12 @@ class ConstraintSystem {
                        ArrayRef<ConstraintLocator::PathElement> path,
                        unsigned summaryFlags);
 
+  /// Retrive the constraint locator for the given anchor and
+  /// path, uniqued and automatically infer the summary flags
+  ConstraintLocator *
+  getConstraintLocator(Expr *anchor,
+                       ArrayRef<ConstraintLocator::PathElement> path);
+
   /// Retrieve the constraint locator for the given anchor and
   /// an empty path, uniqued.
   ConstraintLocator *getConstraintLocator(Expr *anchor) {