Merge pull request swiftlang#30742 from LucianoPAlmeida/fixme-obsolete

[TypeChecker] Remove obsolete check for load expr on typeCheckExpr

Author: xedin

lib/Sema/TypeCheckConstraints.cpp

@@ -2058,13 +2058,8 @@ TypeChecker::typeCheckExpression(
 
   // Tell the constraint system what the contextual type is.  This informs
   // diagnostics and is a hint for various performance optimizations.
-  // FIXME: Look through LoadExpr. This is an egregious hack due to the
-  // way typeCheckExprIndependently works.
-  Expr *contextualTypeExpr = expr;
-  if (auto loadExpr = dyn_cast_or_null<LoadExpr>(contextualTypeExpr))
-    contextualTypeExpr = loadExpr->getSubExpr();
   cs.setContextualType(
-      contextualTypeExpr,
+      expr,
       target.getExprContextualTypeLoc(),
       target.getExprContextualTypePurpose());