src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeCopier.java

rev 60024 : imported patch 8248641

*** 152,162 ****
      @DefinedBy(Api.COMPILER_TREE)
      public JCTree visitCase(CaseTree node, P p) {
          JCCase t = (JCCase) node;
          List<JCExpression> pats = copy(t.pats, p);
          List<JCStatement> stats = copy(t.stats, p);
!         JCTree body = copy(t.body, p);
          return M.at(t.pos).Case(t.caseKind, pats, stats, body);
      }
  
      @DefinedBy(Api.COMPILER_TREE)
      public JCTree visitCatch(CatchTree node, P p) {
--- 152,163 ----
      @DefinedBy(Api.COMPILER_TREE)
      public JCTree visitCase(CaseTree node, P p) {
          JCCase t = (JCCase) node;
          List<JCExpression> pats = copy(t.pats, p);
          List<JCStatement> stats = copy(t.stats, p);
!         JCTree body = t.body instanceof JCExpression && t.stats.head.hasTag(Tag.YIELD)
!                 ? ((JCYield) t.stats.head).value : t.stats.head;
          return M.at(t.pos).Case(t.caseKind, pats, stats, body);
      }
  
      @DefinedBy(Api.COMPILER_TREE)
      public JCTree visitCatch(CatchTree node, P p) {